136203206620 has 24 divisors (see below), whose sum is σ = 308028790944. Its totient is φ = 50290414656.

The previous prime is 136203206611. The next prime is 136203206647. The reversal of 136203206620 is 26602302631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261928984 + ... + 261929503.

It is an arithmetic number, because the mean of its divisors is an integer number (12834532956).

Almost surely, 2^136203206620 is an apocalyptic number.

136203206620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136203206620 is an abundant number, since it is smaller than the sum of its proper divisors (171825584324).

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

136203206620 is a wasteful number, since it uses less digits than its factorization.

136203206620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523858509 (or 523858507 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 136203206620 in words is "one hundred thirty-six billion, two hundred three million, two hundred six thousand, six hundred twenty".