20342925213 has 16 divisors (see below), whose sum is σ = 29212921920. Its totient is φ = 12517622784.

The previous prime is 20342925179. The next prime is 20342925217. The reversal of 20342925213 is 31252924302.

It is not a de Polignac number, because 20342925213 - 2¹² = 20342921117 is a prime.

It is a super-2 number, since 2×20342925213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342925217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803770 + ... + 828692.

It is an arithmetic number, because the mean of its divisors is an integer number (1825807620).

Almost surely, 2^20342925213 is an apocalyptic number.

It is an amenable number.

20342925213 is a deficient number, since it is larger than the sum of its proper divisors (8869996707).

20342925213 is a wasteful number, since it uses less digits than its factorization.

20342925213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45868.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20342925213 in words is "twenty billion, three hundred forty-two million, nine hundred twenty-five thousand, two hundred thirteen".