20425357212 has 48 divisors (see below), whose sum is σ = 51361635360. Its totient is φ = 6280270848.

The previous prime is 20425357133. The next prime is 20425357231. The reversal of 20425357212 is 21275352402.

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 15 ways as a sum of consecutive naturals, for example, 177864 + ... + 269232.

It is an arithmetic number, because the mean of its divisors is an integer number (1070034070).

Almost surely, 2^20425357212 is an apocalyptic number.

It is an amenable number.

20425357212 is an abundant number, since it is smaller than the sum of its proper divisors (30936278148).

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

20425357212 is a wasteful number, since it uses less digits than its factorization.

20425357212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92822 (or 92820 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 20425357212 in words is "twenty billion, four hundred twenty-five million, three hundred fifty-seven thousand, two hundred twelve".