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10211022020220 = 223572322717332687
BaseRepresentation
bin1001010010010111000001…
…0101110001111001111100
31100011011102200101120121220
42110211300111301321330
52314244133114121340
633414513451153340
72102502434046120
oct224456025617174
940134380346556
1010211022020220
11328751980313a
12118ab6a745850
13590b83b11b48
14274304db3580
1512a92ad55ed0
hex94970571e7c

10211022020220 has 384 divisors, whose sum is σ = 34278650413056. Its totient is φ = 2220527975424.

The previous prime is 10211022020203. The next prime is 10211022020231. The reversal of 10211022020220 is 2202022011201.

10211022020220 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10211022020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3800155717 + ... + 3800158403.

It is an arithmetic number, because the mean of its divisors is an integer number (89267318784).

Almost surely, 210211022020220 is an apocalyptic number.

10211022020220 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 10211022020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17139325206528).

10211022020220 is an abundant number, since it is smaller than the sum of its proper divisors (24067628392836).

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

10211022020220 is a wasteful number, since it uses less digits than its factorization.

10211022020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10211022020220 its reverse (2202022011201), we get a palindrome (12413044031421).

The spelling of 10211022020220 in words is "ten trillion, two hundred eleven billion, twenty-two million, twenty thousand, two hundred twenty".