20255514312 has 64 divisors (see below), whose sum is σ = 55254988800. Its totient is φ = 6136626240.

The previous prime is 20255514311. The next prime is 20255514341. The reversal of 20255514312 is 21341555202.

It is a super-3 number, since 3×20255514312³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20255514312.

It is not an unprimeable number, because it can be changed into a prime (20255514311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087889 + ... + 2097567.

It is an arithmetic number, because the mean of its divisors is an integer number (863359200).

Almost surely, 2^20255514312 is an apocalyptic number.

20255514312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20255514312 is an abundant number, since it is smaller than the sum of its proper divisors (34999474488).

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

20255514312 is a wasteful number, since it uses less digits than its factorization.

20255514312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17626 (or 17622 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20255514312 in words is "twenty billion, two hundred fifty-five million, five hundred fourteen thousand, three hundred twelve".