20232753443640 has 48 divisors (see below), whose sum is σ = 65756448693000. Its totient is φ = 5395400918208.

The previous prime is 20232753443633. The next prime is 20232753443677. The reversal of 20232753443640 is 4634435723202.

20232753443640 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 275 + 344 + 36 + 4 + 0 = 666.

It is a super-2 number, since 2×20232753443640² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 28101046090 + ... + 28101046809.

Almost surely, 2^{20232753443640} is an apocalyptic number.

20232753443640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232753443640 is an abundant number, since it is smaller than the sum of its proper divisors (45523695249360).

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

20232753443640 is a wasteful number, since it uses less digits than its factorization.

20232753443640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56202092916 (or 56202092909 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 45.

The spelling of 20232753443640 in words is "twenty trillion, two hundred thirty-two billion, seven hundred fifty-three million, four hundred forty-three thousand, six hundred forty".