20432230854 has 32 divisors (see below), whose sum is σ = 47841325056. Its totient is φ = 5695394880.

The previous prime is 20432230801. The next prime is 20432230859. The reversal of 20432230854 is 45803223402.

It is a super-2 number, since 2×20432230854² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432230859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5930982 + ... + 5934425.

It is an arithmetic number, because the mean of its divisors is an integer number (1495041408).

Almost surely, 2^20432230854 is an apocalyptic number.

20432230854 is an abundant number, since it is smaller than the sum of its proper divisors (27409094202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20432230854 is a wasteful number, since it uses less digits than its factorization.

20432230854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865460.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 20432230854 in words is "twenty billion, four hundred thirty-two million, two hundred thirty thousand, eight hundred fifty-four".