20124397567 has 8 divisors (see below), whose sum is σ = 20410529040. Its totient is φ = 19838548800.

The previous prime is 20124397541. The next prime is 20124397571. The reversal of 20124397567 is 76579342102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20124397567 - 2⁷ = 20124397439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124397967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74817 + ... + 214117.

It is an arithmetic number, because the mean of its divisors is an integer number (2551316130).

Almost surely, 2^20124397567 is an apocalyptic number.

20124397567 is a deficient number, since it is larger than the sum of its proper divisors (286131473).

20124397567 is a wasteful number, since it uses less digits than its factorization.

20124397567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141353.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 20124397567 in words is "twenty billion, one hundred twenty-four million, three hundred ninety-seven thousand, five hundred sixty-seven".