102320240 has 40 divisors (see below), whose sum is σ = 259523568. Its totient is φ = 37207040.

The previous prime is 102320201. The next prime is 102320279. The reversal of 102320240 is 42023201.

It is an interprime number because it is at equal distance from previous prime (102320201) and next prime (102320279).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 57257 + ... + 59016.

Almost surely, 2^102320240 is an apocalyptic number.

102320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102320240 is an abundant number, since it is smaller than the sum of its proper divisors (157203328).

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

102320240 is a wasteful number, since it uses less digits than its factorization.

102320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116297 (or 116291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102320240 is about 10115.3467562907. The cubic root of 102320240 is about 467.7213379927.

Adding to 102320240 its reverse (42023201), we get a palindrome (144343441).

The spelling of 102320240 in words is "one hundred two million, three hundred twenty thousand, two hundred forty".