20341521136 has 20 divisors (see below), whose sum is σ = 39464764272. Its totient is φ = 10157065856.

The previous prime is 20341521119. The next prime is 20341521199. The reversal of 20341521136 is 63112514302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843661 + ... + 867436.

Almost surely, 2^20341521136 is an apocalyptic number.

It is an amenable number.

20341521136 is a deficient number, since it is larger than the sum of its proper divisors (19123243136).

20341521136 is a wasteful number, since it uses less digits than its factorization.

20341521136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711848 (or 1711842 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 20341521136 in words is "twenty billion, three hundred forty-one million, five hundred twenty-one thousand, one hundred thirty-six".