20032228885 has 16 divisors (see below), whose sum is σ = 25456435056. Its totient is φ = 15080885248.

The previous prime is 20032228873. The next prime is 20032228969. The reversal of 20032228885 is 58882223002.

It can be written as a sum of positive squares in 8 ways, for example, as 3724172676 + 16308056209 = 61026^2 + 127703^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032228885 - 2¹⁵ = 20032196117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787587 + ... + 812623.

It is an arithmetic number, because the mean of its divisors is an integer number (1591027191).

Almost surely, 2^20032228885 is an apocalyptic number.

It is an amenable number.

20032228885 is a deficient number, since it is larger than the sum of its proper divisors (5424206171).

20032228885 is a wasteful number, since it uses less digits than its factorization.

20032228885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34472.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 20032228885 in words is "twenty billion, thirty-two million, two hundred twenty-eight thousand, eight hundred eighty-five".