20153353352 has 128 divisors (see below), whose sum is σ = 44205004800. Its totient is φ = 8517600000.

The previous prime is 20153353327. The next prime is 20153353357. The reversal of 20153353352 is 25335335102.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20153353357) 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, 22121777 + ... + 22122687.

It is an arithmetic number, because the mean of its divisors is an integer number (345351600).

Almost surely, 2^20153353352 is an apocalyptic number.

20153353352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20153353352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22102502400).

20153353352 is an abundant number, since it is smaller than the sum of its proper divisors (24051651448).

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

20153353352 is a wasteful number, since it uses less digits than its factorization.

20153353352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 20153353352 its reverse (25335335102), we get a palindrome (45488688454).

The spelling of 20153353352 in words is "twenty billion, one hundred fifty-three million, three hundred fifty-three thousand, three hundred fifty-two".