102201320 has 32 divisors (see below), whose sum is σ = 247642920. Its totient is φ = 37735680.

The previous prime is 102201317. The next prime is 102201373. The reversal of 102201320 is 23102201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48413764 + 53787556 = 6958^2 + 7334^2 .

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, 97751 + ... + 98790.

Almost surely, 2^102201320 is an apocalyptic number.

102201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201320 is an abundant number, since it is smaller than the sum of its proper divisors (145441600).

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

102201320 is a wasteful number, since it uses less digits than its factorization.

102201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196565 (or 196561 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102201320 is about 10109.4668504328. The cubic root of 102201320 is about 467.5400672952.

Adding to 102201320 its reverse (23102201), we get a palindrome (125303521).

The spelling of 102201320 in words is "one hundred two million, two hundred one thousand, three hundred twenty".