20102114140 has 24 divisors (see below), whose sum is σ = 42217706160. Its totient is φ = 8040223488.

The previous prime is 20102114129. The next prime is 20102114159. The reversal of 20102114140 is 4141120102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296679 + ... + 358081.

It is an arithmetic number, because the mean of its divisors is an integer number (1759071090).

Almost surely, 2^20102114140 is an apocalyptic number.

20102114140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102114140 is an abundant number, since it is smaller than the sum of its proper divisors (22115592020).

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

20102114140 is a wasteful number, since it uses less digits than its factorization.

20102114140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77781 (or 77779 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102114140 its reverse (4141120102), we get a palindrome (24243234242).

The spelling of 20102114140 in words is "twenty billion, one hundred two million, one hundred fourteen thousand, one hundred forty".