102573220 has 12 divisors (see below), whose sum is σ = 215403804. Its totient is φ = 41029280.

The previous prime is 102573217. The next prime is 102573227. The reversal of 102573220 is 22375201.

It can be written as a sum of positive squares in 2 ways, for example, as 33616804 + 68956416 = 5798^2 + 8304^2 .

It is a super-2 number, since 2×102573220² = 21042530922336800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102573191 and 102573200.

It is not an unprimeable number, because it can be changed into a prime (102573227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564311 + ... + 2564350.

It is an arithmetic number, because the mean of its divisors is an integer number (17950317).

Almost surely, 2^102573220 is an apocalyptic number.

102573220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102573220 is an abundant number, since it is smaller than the sum of its proper divisors (112830584).

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

102573220 is a wasteful number, since it uses less digits than its factorization.

102573220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128670 (or 5128668 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 102573220 is about 10127.8437981636. The cubic root of 102573220 is about 468.1064907302.

The spelling of 102573220 in words is "one hundred two million, five hundred seventy-three thousand, two hundred twenty".