102493220 has 24 divisors (see below), whose sum is σ = 226564800. Its totient is φ = 38839392.

The previous prime is 102493217. The next prime is 102493231. The reversal of 102493220 is 22394201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134480 + ... + 135239.

It is an arithmetic number, because the mean of its divisors is an integer number (9440200).

Almost surely, 2^102493220 is an apocalyptic number.

102493220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102493220 is an abundant number, since it is smaller than the sum of its proper divisors (124071580).

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

102493220 is a wasteful number, since it uses less digits than its factorization.

102493220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269747 (or 269745 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102493220 is about 10123.8935197877. The cubic root of 102493220 is about 467.9847622087.

The spelling of 102493220 in words is "one hundred two million, four hundred ninety-three thousand, two hundred twenty".