20332500431 has 8 divisors (see below), whose sum is σ = 20459548800. Its totient is φ = 20205701208.

The previous prime is 20332500413. The next prime is 20332500449. The reversal of 20332500431 is 13400523302.

It is an interprime number because it is at equal distance from previous prime (20332500413) and next prime (20332500449).

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

It is a cyclic number.

It is not a de Polignac number, because 20332500431 - 2⁶ = 20332500367 is a prime.

It is a super-2 number, since 2×20332500431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332500397 and 20332500406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332500481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102800 + ... + 226346.

It is an arithmetic number, because the mean of its divisors is an integer number (2557443600).

Almost surely, 2^20332500431 is an apocalyptic number.

20332500431 is a deficient number, since it is larger than the sum of its proper divisors (127048369).

20332500431 is a wasteful number, since it uses less digits than its factorization.

20332500431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124573.

The product of its (nonzero) digits is 2160, while the sum is 23.

The spelling of 20332500431 in words is "twenty billion, three hundred thirty-two million, five hundred thousand, four hundred thirty-one".