20895137534 has 32 divisors (see below), whose sum is σ = 32238673920. Its totient is φ = 10152952992.

The previous prime is 20895137521. The next prime is 20895137537. The reversal of 20895137534 is 43573159802.

20895137534 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20895137537) 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, 13232357 + ... + 13233935.

It is an arithmetic number, because the mean of its divisors is an integer number (1007458560).

Almost surely, 2^20895137534 is an apocalyptic number.

20895137534 is a deficient number, since it is larger than the sum of its proper divisors (11343536386).

20895137534 is a wasteful number, since it uses less digits than its factorization.

20895137534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 20895137534 in words is "twenty billion, eight hundred ninety-five million, one hundred thirty-seven thousand, five hundred thirty-four".