45220155020 has 12 divisors (see below), whose sum is σ = 94962325584. Its totient is φ = 18088062000.

The previous prime is 45220155017. The next prime is 45220155047. The reversal of 45220155020 is 2055102254.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130503856 + ... + 1130503895.

It is an arithmetic number, because the mean of its divisors is an integer number (7913527132).

Almost surely, 2^45220155020 is an apocalyptic number.

It is an amenable number.

45220155020 is an abundant number, since it is smaller than the sum of its proper divisors (49742170564).

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

45220155020 is a wasteful number, since it uses less digits than its factorization.

45220155020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261007760 (or 2261007758 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 45220155020 its reverse (2055102254), we get a palindrome (47275257274).

The spelling of 45220155020 in words is "forty-five billion, two hundred twenty million, one hundred fifty-five thousand, twenty".