20334135304 has 32 divisors (see below), whose sum is σ = 43583100480. Its totient is φ = 8712638784.

The previous prime is 20334135253. The next prime is 20334135307. The reversal of 20334135304 is 40353143302.

It is a super-2 number, since 2×20334135304² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (20334135307) 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, 220519 + ... + 298825.

It is an arithmetic number, because the mean of its divisors is an integer number (1361971890).

Almost surely, 2^20334135304 is an apocalyptic number.

It is an amenable number.

20334135304 is an abundant number, since it is smaller than the sum of its proper divisors (23248965176).

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

20334135304 is a wasteful number, since it uses less digits than its factorization.

20334135304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82957 (or 82953 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20334135304 its reverse (40353143302), we get a palindrome (60687278606).

The spelling of 20334135304 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-five thousand, three hundred four".