20472674403 has 8 divisors (see below), whose sum is σ = 27578310928. Its totient is φ = 13507743744.

The previous prime is 20472674389. The next prime is 20472674429. The reversal of 20472674403 is 30447627402.

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

It is not a de Polignac number, because 20472674403 - 2⁸ = 20472674147 is a prime.

It is a super-2 number, since 2×20472674403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20472675403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35176126 + ... + 35176707.

It is an arithmetic number, because the mean of its divisors is an integer number (3447288866).

Almost surely, 2^20472674403 is an apocalyptic number.

20472674403 is a deficient number, since it is larger than the sum of its proper divisors (7105636525).

20472674403 is an equidigital number, since it uses as much as digits as its factorization.

20472674403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70352933.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 20472674403 in words is "twenty billion, four hundred seventy-two million, six hundred seventy-four thousand, four hundred three".