20102114664 has 48 divisors (see below), whose sum is σ = 54453409920. Its totient is φ = 6699451680.

The previous prime is 20102114657. The next prime is 20102114671. The reversal of 20102114664 is 46641120102.

It is an interprime number because it is at equal distance from previous prime (20102114657) and next prime (20102114671).

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 11 ways as a sum of consecutive naturals, for example, 412299 + ... + 458469.

It is an arithmetic number, because the mean of its divisors is an integer number (1134446040).

Almost surely, 2^20102114664 is an apocalyptic number.

20102114664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20102114664 is an abundant number, since it is smaller than the sum of its proper divisors (34351295256).

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

20102114664 is a wasteful number, since it uses less digits than its factorization.

20102114664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52230 (or 52223 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 20102114664 its reverse (46641120102), we get a palindrome (66743234766).

The spelling of 20102114664 in words is "twenty billion, one hundred two million, one hundred fourteen thousand, six hundred sixty-four".