20472404303 has 6 divisors (see below), whose sum is σ = 22168343304. Its totient is φ = 18897603816.

The previous prime is 20472404279. The next prime is 20472404317. The reversal of 20472404303 is 30340427402.

It is not a de Polignac number, because 20472404303 - 2¹⁰ = 20472403279 is a prime.

It is a super-4 number, since 4×20472404303⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472404503) 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 5 ways as a sum of consecutive naturals, for example, 60569075 + ... + 60569412.

It is an arithmetic number, because the mean of its divisors is an integer number (3694723884).

Almost surely, 2^20472404303 is an apocalyptic number.

20472404303 is a deficient number, since it is larger than the sum of its proper divisors (1695939001).

20472404303 is a wasteful number, since it uses less digits than its factorization.

20472404303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121138513 (or 121138500 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 20472404303 in words is "twenty billion, four hundred seventy-two million, four hundred four thousand, three hundred three".