20142520124 has 6 divisors (see below), whose sum is σ = 35249410224. Its totient is φ = 10071260060.

The previous prime is 20142520081. The next prime is 20142520147. The reversal of 20142520124 is 42102524102.

It is a super-2 number, since 2×20142520124² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20142520124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2517815012 + ... + 2517815019.

It is an arithmetic number, because the mean of its divisors is an integer number (5874901704).

Almost surely, 2^20142520124 is an apocalyptic number.

It is an amenable number.

20142520124 is a deficient number, since it is larger than the sum of its proper divisors (15106890100).

20142520124 is a wasteful number, since it uses less digits than its factorization.

20142520124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035630035 (or 5035630033 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The spelling of 20142520124 in words is "twenty billion, one hundred forty-two million, five hundred twenty thousand, one hundred twenty-four".