20245523104 has 12 divisors (see below), whose sum is σ = 39858373674. Its totient is φ = 10122761536.

The previous prime is 20245523083. The next prime is 20245523107. The reversal of 20245523104 is 40132554202.

It can be written as a sum of positive squares in only one way, i.e., 17357535504 + 2887987600 = 131748^2 + 53740^2 .

It is not an unprimeable number, because it can be changed into a prime (20245523107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316336267 + ... + 316336330.

Almost surely, 2^20245523104 is an apocalyptic number.

It is an amenable number.

20245523104 is a deficient number, since it is larger than the sum of its proper divisors (19612850570).

20245523104 is an equidigital number, since it uses as much as digits as its factorization.

20245523104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632672607 (or 632672599 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 20245523104 in words is "twenty billion, two hundred forty-five million, five hundred twenty-three thousand, one hundred four".