20088746424 has 24 divisors (see below), whose sum is σ = 54407021760. Its totient is φ = 6696248784.

The previous prime is 20088746423. The next prime is 20088746429. The reversal of 20088746424 is 42464788002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20088746424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088746423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139505112 + ... + 139505255.

It is an arithmetic number, because the mean of its divisors is an integer number (2266959240).

Almost surely, 2^20088746424 is an apocalyptic number.

20088746424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20088746424 is an abundant number, since it is smaller than the sum of its proper divisors (34318275336).

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

20088746424 is a wasteful number, since it uses less digits than its factorization.

20088746424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279010379 (or 279010372 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 20088746424 in words is "twenty billion, eighty-eight million, seven hundred forty-six thousand, four hundred twenty-four".