20230631517540 has 48 divisors (see below), whose sum is σ = 57362803303680. Its totient is φ = 5326546018560.

The previous prime is 20230631517529. The next prime is 20230631517541. The reversal of 20230631517540 is 4571513603202.

It is not an unprimeable number, because it can be changed into a prime (20230631517541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2134028121 + ... + 2134037600.

It is an arithmetic number, because the mean of its divisors is an integer number (1195058402160).

Almost surely, 2^{20230631517540} is an apocalyptic number.

20230631517540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20230631517540 is an abundant number, since it is smaller than the sum of its proper divisors (37132171786140).

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

20230631517540 is a wasteful number, since it uses less digits than its factorization.

20230631517540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268065812 (or 4268065810 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 20230631517540 in words is "twenty trillion, two hundred thirty billion, six hundred thirty-one million, five hundred seventeen thousand, five hundred forty".