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102220120202200 = 235271113627781343
BaseRepresentation
bin10111001111011111111001…
…111101000001101111011000
3111101221010222221011020102021
4113033133321331001233120
5101344233301232432300
61001223135215344224
730350105604404050
oct2717377175015730
9441833887136367
10102220120202200
112a630344a87940
12b56ab3b522074
13450641526c070
141b356a19d8560
15bc3ea72d2d1a
hex5cf7f9f41bd8

102220120202200 has 384 divisors, whose sum is σ = 319153092894720. Its totient is φ = 29404937779200.

The previous prime is 102220120202183. The next prime is 102220120202201. The reversal of 102220120202200 is 2202021022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220120202201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1256614729 + ... + 1256696071.

It is an arithmetic number, because the mean of its divisors is an integer number (831127846080).

Almost surely, 2102220120202200 is an apocalyptic number.

102220120202200 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 102220120202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159576546447360).

102220120202200 is an abundant number, since it is smaller than the sum of its proper divisors (216932972692520).

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

102220120202200 is a wasteful number, since it uses less digits than its factorization.

102220120202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87667 (or 87658 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102220120202200 its reverse (2202021022201), we get a palindrome (104422141224401).

The spelling of 102220120202200 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred".