117802420 has 12 divisors (see below), whose sum is σ = 247385124. Its totient is φ = 47120960.

The previous prime is 117802417. The next prime is 117802441. The reversal of 117802420 is 24208711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 102779044 = 3876^2 + 10138^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945041 + ... + 2945080.

It is an arithmetic number, because the mean of its divisors is an integer number (20615427).

Almost surely, 2^117802420 is an apocalyptic number.

117802420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117802420 is an abundant number, since it is smaller than the sum of its proper divisors (129582704).

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

117802420 is a wasteful number, since it uses less digits than its factorization.

117802420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890130 (or 5890128 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 117802420 is about 10853.6823244464. The cubic root of 117802420 is about 490.2129020675.

The spelling of 117802420 in words is "one hundred seventeen million, eight hundred two thousand, four hundred twenty".