202102069156 has 12 divisors (see below), whose sum is σ = 380884668892. Its totient is φ = 93277878048.

The previous prime is 202102069139. The next prime is 202102069157. The reversal of 202102069156 is 651960201202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 129719547556 + 72382521600 = 360166^2 + 269040^2 .

It is not an unprimeable number, because it can be changed into a prime (202102069157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943289075 + ... + 1943289178.

Almost surely, 2^202102069156 is an apocalyptic number.

202102069156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

202102069156 is a deficient number, since it is larger than the sum of its proper divisors (178782599736).

202102069156 is a wasteful number, since it uses less digits than its factorization.

202102069156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886578270 (or 3886578268 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 202102069156 in words is "two hundred two billion, one hundred two million, sixty-nine thousand, one hundred fifty-six".