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202202112211220 = 22511411071491406077
BaseRepresentation
bin101101111110011011011001…
…000100100011100100010100
3222111221022222212021001010002
4231332123121010203210110
5203000334411211224340
61554014211252350432
760406422560263022
oct5576333104434424
9874838885231102
10202202112211220
1159478485a43940
121a81815a315418
1388a9767617434
1437d08c4cdd712
151859b1ab6b715
hexb7e6d9123914

202202112211220 has 192 divisors, whose sum is σ = 482174517484800. Its totient is φ = 70587264921600.

The previous prime is 202202112211219. The next prime is 202202112211283. The reversal of 202202112211220 is 22112211202202.

202202112211220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202202112211192 and 202202112211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143102822 + ... + 144508898.

It is an arithmetic number, because the mean of its divisors is an integer number (2511325611900).

Almost surely, 2202202112211220 is an apocalyptic number.

202202112211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202202112211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241087258742400).

202202112211220 is an abundant number, since it is smaller than the sum of its proper divisors (279972405273580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202202112211220 is a wasteful number, since it uses less digits than its factorization.

202202112211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406394 (or 1406392 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202202112211220 its reverse (22112211202202), we get a palindrome (224314323413422).

It can be divided in two parts, 2022021 and 12211220, that added together give a palindrome (14233241).

The spelling of 202202112211220 in words is "two hundred two trillion, two hundred two billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty".