20152502153 has 4 divisors (see below), whose sum is σ = 23031431040. Its totient is φ = 17273573268.

The previous prime is 20152502119. The next prime is 20152502231. The reversal of 20152502153 is 35120525102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20152502153 - 2¹² = 20152498057 is a prime.

It is a super-2 number, since 2×20152502153² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20152502053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439464433 + ... + 1439464446.

It is an arithmetic number, because the mean of its divisors is an integer number (5757857760).

Almost surely, 2^20152502153 is an apocalyptic number.

It is an amenable number.

20152502153 is a deficient number, since it is larger than the sum of its proper divisors (2878928887).

20152502153 is an equidigital number, since it uses as much as digits as its factorization.

20152502153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878928886.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 20152502153 in words is "twenty billion, one hundred fifty-two million, five hundred two thousand, one hundred fifty-three".