102200321970 has 40 divisors (see below), whose sum is σ = 274805312364. Its totient is φ = 27253418976.

The previous prime is 102200321969. The next prime is 102200321983. The reversal of 102200321970 is 79123002201.

It can be written as a sum of positive squares in 2 ways, for example, as 92817106281 + 9383215689 = 304659^2 + 96867^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63085809 + ... + 63087428.

Almost surely, 2^102200321970 is an apocalyptic number.

102200321970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102200321970 is an abundant number, since it is smaller than the sum of its proper divisors (172604990394).

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

102200321970 is a wasteful number, since it uses less digits than its factorization.

102200321970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126173256 (or 126173247 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 102200321970 in words is "one hundred two billion, two hundred million, three hundred twenty-one thousand, nine hundred seventy".