45434032020 has 144 divisors (see below), whose sum is σ = 148485372672. Its totient is φ = 11178673920.

The previous prime is 45434031959. The next prime is 45434032037. The reversal of 45434032020 is 2023043454.

45434032020 is a `hidden beast` number, since 4 + 54 + 3 + 403 + 202 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9617379 + ... + 9622101.

Almost surely, 2^45434032020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45434032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74242686336).

45434032020 is an abundant number, since it is smaller than the sum of its proper divisors (103051340652).

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

45434032020 is a wasteful number, since it uses less digits than its factorization.

45434032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862 (or 8857 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 45434032020 its reverse (2023043454), we get a palindrome (47457075474).

The spelling of 45434032020 in words is "forty-five billion, four hundred thirty-four million, thirty-two thousand, twenty".