45321010220 has 12 divisors (see below), whose sum is σ = 95174121504. Its totient is φ = 18128404080.

The previous prime is 45321010171. The next prime is 45321010223. The reversal of 45321010220 is 2201012354.

It is a super-2 number, since 2×45321010220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2266050511 = 45321010220 / (4 + 5 + 3 + 2 + 1 + 0 + 1 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 45321010192 and 45321010201.

It is not an unprimeable number, because it can be changed into a prime (45321010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133025236 + ... + 1133025275.

It is an arithmetic number, because the mean of its divisors is an integer number (7931176792).

Almost surely, 2^45321010220 is an apocalyptic number.

It is an amenable number.

45321010220 is an abundant number, since it is smaller than the sum of its proper divisors (49853111284).

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

45321010220 is a wasteful number, since it uses less digits than its factorization.

45321010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266050520 (or 2266050518 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 45321010220 its reverse (2201012354), we get a palindrome (47522022574).

The spelling of 45321010220 in words is "forty-five billion, three hundred twenty-one million, ten thousand, two hundred twenty".