20122425504 has 36 divisors (see below), whose sum is σ = 57223148346. Its totient is φ = 6707475072.

The previous prime is 20122425497. The next prime is 20122425529. The reversal of 20122425504 is 40552422102.

It can be written as a sum of positive squares in only one way, i.e., 20121989904 + 435600 = 141852^2 + 660^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 5 ways as a sum of consecutive naturals, for example, 34934479 + ... + 34935054.

Almost surely, 2^20122425504 is an apocalyptic number.

20122425504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122425504 is an abundant number, since it is smaller than the sum of its proper divisors (37100722842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122425504 is a wasteful number, since it uses less digits than its factorization.

20122425504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69869549 (or 69869538 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20122425504 its reverse (40552422102), we get a palindrome (60674847606).

The spelling of 20122425504 in words is "twenty billion, one hundred twenty-two million, four hundred twenty-five thousand, five hundred four".