20032613686 has 8 divisors (see below), whose sum is σ = 30094382304. Its totient is φ = 10001152920.

The previous prime is 20032613639. The next prime is 20032613687. The reversal of 20032613686 is 68631623002.

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

It is a super-2 number, since 2×20032613686² (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 (20032613687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575310 + ... + 7577953.

It is an arithmetic number, because the mean of its divisors is an integer number (3761797788).

Almost surely, 2^20032613686 is an apocalyptic number.

20032613686 is a deficient number, since it is larger than the sum of its proper divisors (10061768618).

20032613686 is a wasteful number, since it uses less digits than its factorization.

20032613686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153926.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 20032613686 in words is "twenty billion, thirty-two million, six hundred thirteen thousand, six hundred eighty-six".