20922931059 has 8 divisors (see below), whose sum is σ = 28168088832. Its totient is φ = 13813197000.

The previous prime is 20922931037. The next prime is 20922931079. The reversal of 20922931059 is 95013922902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20922931059 - 2¹⁷ = 20922799987 is a prime.

It is a super-2 number, since 2×20922931059² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 20922931059.

It is not an unprimeable number, because it can be changed into a prime (20922931079) 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, 33855567 + ... + 33856184.

It is an arithmetic number, because the mean of its divisors is an integer number (3521011104).

Almost surely, 2^20922931059 is an apocalyptic number.

20922931059 is a deficient number, since it is larger than the sum of its proper divisors (7245157773).

20922931059 is a wasteful number, since it uses less digits than its factorization.

20922931059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67711857.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 20922931059 in words is "twenty billion, nine hundred twenty-two million, nine hundred thirty-one thousand, fifty-nine".