20432500113 has 8 divisors (see below), whose sum is σ = 27244109088. Its totient is φ = 13621278944.

The previous prime is 20432500097. The next prime is 20432500139. The reversal of 20432500113 is 31100523402.

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 20432500113 - 2⁴ = 20432500097 is a prime.

It is a super-3 number, since 3×20432500113³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20432500113.

It is not an unprimeable number, because it can be changed into a prime (20432500013) 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, 64306 + ... + 212132.

It is an arithmetic number, because the mean of its divisors is an integer number (3405513636).

Almost surely, 2^20432500113 is an apocalyptic number.

It is an amenable number.

20432500113 is a deficient number, since it is larger than the sum of its proper divisors (6811608975).

20432500113 is a wasteful number, since it uses less digits than its factorization.

20432500113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193903.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 20432500113 in words is "twenty billion, four hundred thirty-two million, five hundred thousand, one hundred thirteen".