20124953971383 has 128 divisors (see below), whose sum is σ = 29980938240000. Its totient is φ = 11955740590080.

The previous prime is 20124953971379. The next prime is 20124953971387. The reversal of 20124953971383 is 38317935942102.

It is an interprime number because it is at equal distance from previous prime (20124953971379) and next prime (20124953971387).

It is not a de Polignac number, because 20124953971383 - 2² = 20124953971379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124953971387) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21117474835 + ... + 21117475787.

It is an arithmetic number, because the mean of its divisors is an integer number (234226080000).

Almost surely, 2^{20124953971383} is an apocalyptic number.

20124953971383 is a deficient number, since it is larger than the sum of its proper divisors (9855984268617).

20124953971383 is a wasteful number, since it uses less digits than its factorization.

20124953971383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 20124953971383 in words is "twenty trillion, one hundred twenty-four billion, nine hundred fifty-three million, nine hundred seventy-one thousand, three hundred eighty-three".