20122722885 has 32 divisors (see below), whose sum is σ = 33606236160. Its totient is φ = 10262438208.

The previous prime is 20122722881. The next prime is 20122722889. The reversal of 20122722885 is 58822722102.

It is an interprime number because it is at equal distance from previous prime (20122722881) and next prime (20122722889).

It is not a de Polignac number, because 20122722885 - 2² = 20122722881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122722881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1552602 + ... + 1565508.

It is an arithmetic number, because the mean of its divisors is an integer number (1050194880).

Almost surely, 2^20122722885 is an apocalyptic number.

It is an amenable number.

20122722885 is a deficient number, since it is larger than the sum of its proper divisors (13483513275).

20122722885 is a wasteful number, since it uses less digits than its factorization.

20122722885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17457.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 20122722885 in words is "twenty billion, one hundred twenty-two million, seven hundred twenty-two thousand, eight hundred eighty-five".