100202020169 has 2 divisors, whose sum is σ = 100202020170. Its totient is φ = 100202020168.

The previous prime is 100202020123. The next prime is 100202020297. The reversal of 100202020169 is 961020202001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88796848144 + 11405172025 = 297988^2 + 106795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202020169 is a prime.

It is a super-2 number, since 2×100202020169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100202020669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101010084 + 50101010085.

It is an arithmetic number, because the mean of its divisors is an integer number (50101010085).

Almost surely, 2^100202020169 is an apocalyptic number.

It is an amenable number.

100202020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202020169 is an equidigital number, since it uses as much as digits as its factorization.

100202020169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 100202020169 in words is "one hundred billion, two hundred two million, twenty thousand, one hundred sixty-nine".