20514353200240 has 40 divisors (see below), whose sum is σ = 49234447686528. Its totient is φ = 7941039947520.

The previous prime is 20514353200139. The next prime is 20514353200283. The reversal of 20514353200240 is 4200235341502.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 4135955827 + ... + 4135960786.

Almost surely, 2^{20514353200240} is an apocalyptic number.

20514353200240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514353200240 is an abundant number, since it is smaller than the sum of its proper divisors (28720094486288).

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

20514353200240 is a wasteful number, since it uses less digits than its factorization.

20514353200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271916657 (or 8271916651 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20514353200240 its reverse (4200235341502), we get a palindrome (24714588541742).

The spelling of 20514353200240 in words is "twenty trillion, five hundred fourteen billion, three hundred fifty-three million, two hundred thousand, two hundred forty".