20874607722 has 24 divisors (see below), whose sum is σ = 45307548000. Its totient is φ = 6946013160.

The previous prime is 20874607687. The next prime is 20874607723. The reversal of 20874607722 is 22770647802.

20874607722 is a `hidden beast` number, since 20 + 87 + 460 + 77 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (20874607723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005222 + ... + 1025777.

It is an arithmetic number, because the mean of its divisors is an integer number (1887814500).

Almost surely, 2^20874607722 is an apocalyptic number.

20874607722 is an abundant number, since it is smaller than the sum of its proper divisors (24432940278).

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

20874607722 is a wasteful number, since it uses less digits than its factorization.

20874607722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031578 (or 2031575 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 20874607722 in words is "twenty billion, eight hundred seventy-four million, six hundred seven thousand, seven hundred twenty-two".