45532020 has 24 divisors (see below), whose sum is σ = 127489824. Its totient is φ = 12141856.

The previous prime is 45532013. The next prime is 45532027. The reversal of 45532020 is 2023554.

It is an interprime number because it is at equal distance from previous prime (45532013) and next prime (45532027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45532027) 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, 379374 + ... + 379493.

It is an arithmetic number, because the mean of its divisors is an integer number (5312076).

Almost surely, 2^45532020 is an apocalyptic number.

It is an amenable number.

45532020 is an abundant number, since it is smaller than the sum of its proper divisors (81957804).

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

45532020 is a wasteful number, since it uses less digits than its factorization.

45532020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758879 (or 758877 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45532020 is about 6747.7418444988. The cubic root of 45532020 is about 357.0855745081.

Adding to 45532020 its reverse (2023554), we get a palindrome (47555574).

The spelling of 45532020 in words is "forty-five million, five hundred thirty-two thousand, twenty".