45230221020 has 48 divisors (see below), whose sum is σ = 126770303520. Its totient is φ = 12049422336.

The previous prime is 45230221009. The next prime is 45230221067. The reversal of 45230221020 is 2012203254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313017 + ... + 434096.

It is an arithmetic number, because the mean of its divisors is an integer number (2641047990).

Almost surely, 2^45230221020 is an apocalyptic number.

It is an amenable number.

45230221020 is an abundant number, since it is smaller than the sum of its proper divisors (81540082500).

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

45230221020 is a wasteful number, since it uses less digits than its factorization.

45230221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748134 (or 748132 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 45230221020 its reverse (2012203254), we get a palindrome (47242424274).

The spelling of 45230221020 in words is "forty-five billion, two hundred thirty million, two hundred twenty-one thousand, twenty".