20010157075 has 12 divisors (see below), whose sum is σ = 24814793448. Its totient is φ = 16006707200.

The previous prime is 20010157043. The next prime is 20010157187. The reversal of 20010157075 is 57075101002.

It is not a de Polignac number, because 20010157075 - 2⁵ = 20010157043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323604 + ... + 380446.

It is an arithmetic number, because the mean of its divisors is an integer number (2067899454).

Almost surely, 2^20010157075 is an apocalyptic number.

20010157075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20010157075 is a deficient number, since it is larger than the sum of its proper divisors (4804636373).

20010157075 is a wasteful number, since it uses less digits than its factorization.

20010157075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70934 (or 70929 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

Adding to 20010157075 its reverse (57075101002), we get a palindrome (77085258077).

The spelling of 20010157075 in words is "twenty billion, ten million, one hundred fifty-seven thousand, seventy-five".