18202070 has 16 divisors (see below), whose sum is σ = 34691328. Its totient is φ = 6852480.

The previous prime is 18202049. The next prime is 18202081. The reversal of 18202070 is 7020281.

It is a Curzon number.

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, 53366 + ... + 53705.

It is an arithmetic number, because the mean of its divisors is an integer number (2168208).

Almost surely, 2^18202070 is an apocalyptic number.

18202070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18202070 is a deficient number, since it is larger than the sum of its proper divisors (16489258).

18202070 is a wasteful number, since it uses less digits than its factorization.

18202070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107095.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 18202070 is about 4266.3884023844. The cubic root of 18202070 is about 263.0511834920.

The spelling of 18202070 in words is "eighteen million, two hundred two thousand, seventy".