20282215431 has 16 divisors (see below), whose sum is σ = 27995493600. Its totient is φ = 13045874688.

The previous prime is 20282215427. The next prime is 20282215451. The reversal of 20282215431 is 13451228202.

It is not a de Polignac number, because 20282215431 - 2² = 20282215427 is a prime.

It is a super-2 number, since 2×20282215431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20282215451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39855 + ... + 205311.

It is an arithmetic number, because the mean of its divisors is an integer number (1749718350).

Almost surely, 2^20282215431 is an apocalyptic number.

20282215431 is a deficient number, since it is larger than the sum of its proper divisors (7713278169).

20282215431 is a wasteful number, since it uses less digits than its factorization.

20282215431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166898.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 20282215431 in words is "twenty billion, two hundred eighty-two million, two hundred fifteen thousand, four hundred thirty-one".