102223020 has 24 divisors (see below), whose sum is σ = 286224624. Its totient is φ = 27259456.

The previous prime is 102223019. The next prime is 102223067. The reversal of 102223020 is 20322201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102222987 and 102223005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851799 + ... + 851918.

It is an arithmetic number, because the mean of its divisors is an integer number (11926026).

Almost surely, 2^102223020 is an apocalyptic number.

102223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102223020 is an abundant number, since it is smaller than the sum of its proper divisors (184001604).

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

102223020 is a wasteful number, since it uses less digits than its factorization.

102223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703729 (or 1703727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102223020 is about 10110.5400449234. The cubic root of 102223020 is about 467.5731552615.

Adding to 102223020 its reverse (20322201), we get a palindrome (122545221).

It can be divided in two parts, 1022 and 23020, that added together give a palindrome (24042).

The spelling of 102223020 in words is "one hundred two million, two hundred twenty-three thousand, twenty".