20653035330 has 64 divisors (see below), whose sum is σ = 50128138368. Its totient is φ = 5445273600.

The previous prime is 20653035313. The next prime is 20653035331. The reversal of 20653035330 is 3353035602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20653035331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3526905 + ... + 3532755.

It is an arithmetic number, because the mean of its divisors is an integer number (783252162).

Almost surely, 2^20653035330 is an apocalyptic number.

20653035330 is an abundant number, since it is smaller than the sum of its proper divisors (29475103038).

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

20653035330 is a wasteful number, since it uses less digits than its factorization.

20653035330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 24300, while the sum is 30.

It can be divided in two parts, 206530 and 35330, that added together give a triangular number (241860 = T₆₉₅).

The spelling of 20653035330 in words is "twenty billion, six hundred fifty-three million, thirty-five thousand, three hundred thirty".