20100053113400 has 48 divisors (see below), whose sum is σ = 50327440686600. Its totient is φ = 7421558071680.

The previous prime is 20100053113369. The next prime is 20100053113409. The reversal of 20100053113400 is 431135000102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100053113409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3865392230 + ... + 3865397429.

Almost surely, 2^{20100053113400} is an apocalyptic number.

20100053113400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100053113400 is an abundant number, since it is smaller than the sum of its proper divisors (30227387573200).

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

20100053113400 is a wasteful number, since it uses less digits than its factorization.

20100053113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730789688 (or 7730789679 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20100053113400 its reverse (431135000102), we get a palindrome (20531188113502).

The spelling of 20100053113400 in words is "twenty trillion, one hundred billion, fifty-three million, one hundred thirteen thousand, four hundred".