20618707244300 has 72 divisors (see below), whose sum is σ = 48811845341952. Its totient is φ = 7497444136000.

The previous prime is 20618707244279. The next prime is 20618707244341. The reversal of 20618707244300 is 344270781602.

It is a super-2 number, since 2×20618707244300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31913465 + ... + 32553135.

It is an arithmetic number, because the mean of its divisors is an integer number (677942296416).

Almost surely, 2^{20618707244300} is an apocalyptic number.

20618707244300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20618707244300 is an abundant number, since it is smaller than the sum of its proper divisors (28193138097652).

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

20618707244300 is a wasteful number, since it uses less digits than its factorization.

20618707244300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668999 (or 668992 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 20618707244300 in words is "twenty trillion, six hundred eighteen billion, seven hundred seven million, two hundred forty-four thousand, three hundred".