20722626265 has 16 divisors (see below), whose sum is σ = 28002894336. Its totient is φ = 14584838400.

The previous prime is 20722626229. The next prime is 20722626271. The reversal of 20722626265 is 56262622702.

It is not a de Polignac number, because 20722626265 - 2¹⁹ = 20722101977 is a prime.

It is a Duffinian 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, 6075312 + ... + 6078721.

It is an arithmetic number, because the mean of its divisors is an integer number (1750180896).

Almost surely, 2^20722626265 is an apocalyptic number.

It is an amenable number.

20722626265 is a deficient number, since it is larger than the sum of its proper divisors (7280268071).

20722626265 is a wasteful number, since it uses less digits than its factorization.

20722626265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154080.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 20722626265 in words is "twenty billion, seven hundred twenty-two million, six hundred twenty-six thousand, two hundred sixty-five".