20035252155 has 32 divisors (see below), whose sum is σ = 32653797120. Its totient is φ = 10486938240.

The previous prime is 20035252123. The next prime is 20035252169. The reversal of 20035252155 is 55125253002.

It is not a de Polignac number, because 20035252155 - 2⁵ = 20035252123 is a prime.

It is a super-2 number, since 2×20035252155² (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, 524040 + ... + 560970.

It is an arithmetic number, because the mean of its divisors is an integer number (1020431160).

Almost surely, 2^20035252155 is an apocalyptic number.

20035252155 is a deficient number, since it is larger than the sum of its proper divisors (12618544965).

20035252155 is a wasteful number, since it uses less digits than its factorization.

20035252155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37611.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 20035252155 in words is "twenty billion, thirty-five million, two hundred fifty-two thousand, one hundred fifty-five".