20472642374 has 8 divisors (see below), whose sum is σ = 30715136328. Its totient is φ = 10234263600.

The previous prime is 20472642373. The next prime is 20472642419. The reversal of 20472642374 is 47324627402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472642373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016327 + ... + 1036274.

It is an arithmetic number, because the mean of its divisors is an integer number (3839392041).

Almost surely, 2^20472642374 is an apocalyptic number.

20472642374 is a deficient number, since it is larger than the sum of its proper divisors (10242493954).

20472642374 is a wasteful number, since it uses less digits than its factorization.

20472642374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057590.

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 20472642374 in words is "twenty billion, four hundred seventy-two million, six hundred forty-two thousand, three hundred seventy-four".