20259412716 has 12 divisors (see below), whose sum is σ = 47271963032. Its totient is φ = 6753137568.

The previous prime is 20259412661. The next prime is 20259412727. The reversal of 20259412716 is 61721495202.

It is a tau number, because it is divible by the number of its divisors (12).

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, 844142185 + ... + 844142208.

Almost surely, 2^20259412716 is an apocalyptic number.

It is an amenable number.

20259412716 is an abundant number, since it is smaller than the sum of its proper divisors (27012550316).

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

20259412716 is a wasteful number, since it uses less digits than its factorization.

20259412716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688284400 (or 1688284398 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 20259412716 in words is "twenty billion, two hundred fifty-nine million, four hundred twelve thousand, seven hundred sixteen".