20622430773 has 24 divisors (see below), whose sum is σ = 34047344448. Its totient is φ = 11782873152.

The previous prime is 20622430757. The next prime is 20622430799. The reversal of 20622430773 is 37703422602.

20622430773 is a `hidden beast` number, since 20 + 622 + 4 + 3 + 0 + 7 + 7 + 3 = 666.

It is not a de Polignac number, because 20622430773 - 2⁴ = 20622430757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622430753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809161 + ... + 834257.

It is an arithmetic number, because the mean of its divisors is an integer number (1418639352).

Almost surely, 2^20622430773 is an apocalyptic number.

It is an amenable number.

20622430773 is a deficient number, since it is larger than the sum of its proper divisors (13424913675).

20622430773 is a wasteful number, since it uses less digits than its factorization.

20622430773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38153 (or 38150 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 20622430773 in words is "twenty billion, six hundred twenty-two million, four hundred thirty thousand, seven hundred seventy-three".