20225511610 has 16 divisors (see below), whose sum is σ = 37988787456. Its totient is φ = 7738456528.

The previous prime is 20225511599. The next prime is 20225511623. The reversal of 20225511610 is 1611552202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43968274 + ... + 43968733.

It is an arithmetic number, because the mean of its divisors is an integer number (2374299216).

Almost surely, 2^20225511610 is an apocalyptic number.

20225511610 is a deficient number, since it is larger than the sum of its proper divisors (17763275846).

20225511610 is a wasteful number, since it uses less digits than its factorization.

20225511610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87937037.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 20225511610 in words is "twenty billion, two hundred twenty-five million, five hundred eleven thousand, six hundred ten".