20033610655 has 8 divisors (see below), whose sum is σ = 24815827584. Its totient is φ = 15509892000.

The previous prime is 20033610647. The next prime is 20033610703. The reversal of 20033610655 is 55601633002.

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

It is not a de Polignac number, because 20033610655 - 2³ = 20033610647 is a prime.

It is a super-2 number, since 2×20033610655² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64624396 + ... + 64624705.

It is an arithmetic number, because the mean of its divisors is an integer number (3101978448).

Almost surely, 2^20033610655 is an apocalyptic number.

20033610655 is a deficient number, since it is larger than the sum of its proper divisors (4782216929).

20033610655 is a wasteful number, since it uses less digits than its factorization.

20033610655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129249137.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 20033610655 in words is "twenty billion, thirty-three million, six hundred ten thousand, six hundred fifty-five".