20822902045 has 16 divisors (see below), whose sum is σ = 28199041920. Its totient is φ = 14621723200.

The previous prime is 20822902033. The next prime is 20822902063. The reversal of 20822902045 is 54020922802.

It is not a de Polignac number, because 20822902045 - 2²³ = 20814513437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20822902045.

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, 6525961 + ... + 6529150.

It is an arithmetic number, because the mean of its divisors is an integer number (1762440120).

Almost surely, 2^20822902045 is an apocalyptic number.

It is an amenable number.

20822902045 is a deficient number, since it is larger than the sum of its proper divisors (7376139875).

20822902045 is a wasteful number, since it uses less digits than its factorization.

20822902045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13055156.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20822902045 in words is "twenty billion, eight hundred twenty-two million, nine hundred two thousand, forty-five".