20330134044 has 24 divisors (see below), whose sum is σ = 51749432448. Its totient is φ = 6160646640.

The previous prime is 20330134009. The next prime is 20330134057. The reversal of 20330134044 is 44043103302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77007952 + ... + 77008215.

It is an arithmetic number, because the mean of its divisors is an integer number (2156226352).

Almost surely, 2^20330134044 is an apocalyptic number.

It is an amenable number.

20330134044 is an abundant number, since it is smaller than the sum of its proper divisors (31419298404).

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

20330134044 is a wasteful number, since it uses less digits than its factorization.

20330134044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154016185 (or 154016183 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20330134044 its reverse (44043103302), we get a palindrome (64373237346).

The spelling of 20330134044 in words is "twenty billion, three hundred thirty million, one hundred thirty-four thousand, forty-four".