20390567023922 has 8 divisors (see below), whose sum is σ = 30586297113372. Its totient is φ = 10195134652800.

The previous prime is 20390567023921. The next prime is 20390567023933. The reversal of 20390567023922 is 22932076509302.

It can be written as a sum of positive squares in 2 ways, for example, as 20358134976001 + 32432047921 = 4511999^2 + 180089^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20390567023921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74258279 + ... + 74532362.

Almost surely, 2^{20390567023922} is an apocalyptic number.

20390567023922 is a deficient number, since it is larger than the sum of its proper divisors (10195730089450).

20390567023922 is a wasteful number, since it uses less digits than its factorization.

20390567023922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148859164.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 20390567023922 in words is "twenty trillion, three hundred ninety billion, five hundred sixty-seven million, twenty-three thousand, nine hundred twenty-two".