20622412774 has 16 divisors (see below), whose sum is σ = 32564563200. Its totient is φ = 9767653704.

The previous prime is 20622412763. The next prime is 20622412823. The reversal of 20622412774 is 47721422602.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 701479 + ... + 730285.

It is an arithmetic number, because the mean of its divisors is an integer number (2035285200).

Almost surely, 2^20622412774 is an apocalyptic number.

20622412774 is a deficient number, since it is larger than the sum of its proper divisors (11942150426).

20622412774 is a wasteful number, since it uses less digits than its factorization.

20622412774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47667.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 20622412774 in words is "twenty billion, six hundred twenty-two million, four hundred twelve thousand, seven hundred seventy-four".