20804511022 has 16 divisors (see below), whose sum is σ = 33507849312. Its totient is φ = 9652464640.

The previous prime is 20804511017. The next prime is 20804511023. The reversal of 20804511022 is 22011540802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20804511023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4306723 + ... + 4311550.

It is an arithmetic number, because the mean of its divisors is an integer number (2094240582).

Almost surely, 2^20804511022 is an apocalyptic number.

20804511022 is a deficient number, since it is larger than the sum of its proper divisors (12703338290).

20804511022 is a wasteful number, since it uses less digits than its factorization.

20804511022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618363.

The product of its (nonzero) digits is 1280, while the sum is 25.

The spelling of 20804511022 in words is "twenty billion, eight hundred four million, five hundred eleven thousand, twenty-two".