20022502431146 has 16 divisors (see below), whose sum is σ = 30755726758944. Its totient is φ = 9770949780144.

The previous prime is 20022502431083. The next prime is 20022502431187. The reversal of 20022502431146 is 64113420522002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88954085 + ... + 89178888.

It is an arithmetic number, because the mean of its divisors is an integer number (1922232922434).

Almost surely, 2^{20022502431146} is an apocalyptic number.

20022502431146 is a deficient number, since it is larger than the sum of its proper divisors (10733224327798).

20022502431146 is a wasteful number, since it uses less digits than its factorization.

20022502431146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178134325.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 20022502431146 its reverse (64113420522002), we get a palindrome (84135922953148).

The spelling of 20022502431146 in words is "twenty trillion, twenty-two billion, five hundred two million, four hundred thirty-one thousand, one hundred forty-six".