20136641300 has 36 divisors (see below), whose sum is σ = 43704244416. Its totient is φ = 8053231200.

The previous prime is 20136641299. The next prime is 20136641311. The reversal of 20136641300 is 314663102.

It is a self number, because there is not a number n which added to its sum of digits gives 20136641300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690005 + ... + 718595.

Almost surely, 2^20136641300 is an apocalyptic number.

20136641300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20136641300 is an abundant number, since it is smaller than the sum of its proper divisors (23567603116).

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

20136641300 is a wasteful number, since it uses less digits than its factorization.

20136641300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35648 (or 35641 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 20136641300 in words is "twenty billion, one hundred thirty-six million, six hundred forty-one thousand, three hundred".