20152271355 has 32 divisors (see below), whose sum is σ = 32993303616. Its totient is φ = 10499733504.

The previous prime is 20152271341. The next prime is 20152271369. The reversal of 20152271355 is 55317225102.

It is an interprime number because it is at equal distance from previous prime (20152271341) and next prime (20152271369).

It is not a de Polignac number, because 20152271355 - 2²⁵ = 20118716923 is a prime.

It is a super-2 number, since 2×20152271355² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130839 + ... + 239631.

It is an arithmetic number, because the mean of its divisors is an integer number (1031040738).

Almost surely, 2^20152271355 is an apocalyptic number.

20152271355 is a deficient number, since it is larger than the sum of its proper divisors (12841032261).

20152271355 is a wasteful number, since it uses less digits than its factorization.

20152271355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109087.

The product of its (nonzero) digits is 21000, while the sum is 33.

Adding to 20152271355 its reverse (55317225102), we get a palindrome (75469496457).

The spelling of 20152271355 in words is "twenty billion, one hundred fifty-two million, two hundred seventy-one thousand, three hundred fifty-five".