20154225210 has 64 divisors (see below), whose sum is σ = 55347321600. Its totient is φ = 4601083392.

The previous prime is 20154225199. The next prime is 20154225227. The reversal of 20154225210 is 1252245102.

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, 116206 + ... + 231974.

It is an arithmetic number, because the mean of its divisors is an integer number (864801900).

Almost surely, 2^20154225210 is an apocalyptic number.

20154225210 is an abundant number, since it is smaller than the sum of its proper divisors (35193096390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20154225210 is a wasteful number, since it uses less digits than its factorization.

20154225210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116615.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 20154225210 in words is "twenty billion, one hundred fifty-four million, two hundred twenty-five thousand, two hundred ten".