20284970031 has 6 divisors (see below), whose sum is σ = 29300512280. Its totient is φ = 13523313348.

The previous prime is 20284970023. The next prime is 20284970033. The reversal of 20284970031 is 13007948202.

It is not a de Polignac number, because 20284970031 - 2³ = 20284970023 is a prime.

It is a super-2 number, since 2×20284970031² (a number of 21 digits) contains 22 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 (20284970033) 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, 1126942771 + ... + 1126942788.

Almost surely, 2^20284970031 is an apocalyptic number.

20284970031 is a deficient number, since it is larger than the sum of its proper divisors (9015542249).

20284970031 is a wasteful number, since it uses less digits than its factorization.

20284970031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253885565 (or 2253885562 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20284970031 in words is "twenty billion, two hundred eighty-four million, nine hundred seventy thousand, thirty-one".