20425712122 has 8 divisors (see below), whose sum is σ = 31026398400. Its totient is φ = 10083579324.

The previous prime is 20425712119. The next prime is 20425712137. The reversal of 20425712122 is 22121752402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64638172 + ... + 64638487.

It is an arithmetic number, because the mean of its divisors is an integer number (3878299800).

Almost surely, 2^20425712122 is an apocalyptic number.

20425712122 is a deficient number, since it is larger than the sum of its proper divisors (10600686278).

20425712122 is a wasteful number, since it uses less digits than its factorization.

20425712122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129276740.

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 20425712122 in words is "twenty billion, four hundred twenty-five million, seven hundred twelve thousand, one hundred twenty-two".