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1022220023220 = 2233511293587341
BaseRepresentation
bin11101110000000010000…
…11111011010110110100
310121201112021022120002000
432320001003323112310
5113222001311220340
62101333522415300
7133565364555564
oct16700103732664
93551467276060
101022220023220
11364580610250
12146143501530
1375519895986
14376934dcda4
151b8cc356d30
hexee010fb5b4

1022220023220 has 192 divisors, whose sum is σ = 3481199527680. Its totient is φ = 246964723200.

The previous prime is 1022220023213. The next prime is 1022220023221. The reversal of 1022220023220 is 223200222201.

1022220023220 is a `hidden beast` number, since 1 + 0 + 222 + 200 + 23 + 220 = 666.

1022220023220 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022220023193 and 1022220023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220023221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1446750 + ... + 2034090.

It is an arithmetic number, because the mean of its divisors is an integer number (18131247540).

Almost surely, 21022220023220 is an apocalyptic number.

1022220023220 is a gapful number since it is divisible by the number (10) 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 1022220023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740599763840).

1022220023220 is an abundant number, since it is smaller than the sum of its proper divisors (2458979504460).

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

1022220023220 is a wasteful number, since it uses less digits than its factorization.

1022220023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587663 (or 587655 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1022220023220 its reverse (223200222201), we get a palindrome (1245420245421).

The spelling of 1022220023220 in words is "one trillion, twenty-two billion, two hundred twenty million, twenty-three thousand, two hundred twenty".