136620202024 has 64 divisors (see below), whose sum is σ = 273875754960. Its totient is φ = 63667322880.

The previous prime is 136620202003. The next prime is 136620202049. The reversal of 136620202024 is 420202026631.

It can be written as a sum of positive squares in 8 ways, for example, as 82494179524 + 54126022500 = 287218^2 + 232650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136620201983 and 136620202001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7835364 + ... + 7852780.

Almost surely, 2^136620202024 is an apocalyptic number.

It is an amenable number.

136620202024 is an abundant number, since it is smaller than the sum of its proper divisors (137255552936).

136620202024 is a wasteful number, since it uses less digits than its factorization.

136620202024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17998 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 136620202024 its reverse (420202026631), we get a palindrome (556822228655).

The spelling of 136620202024 in words is "one hundred thirty-six billion, six hundred twenty million, two hundred two thousand, twenty-four".