18120299702 has 8 divisors (see below), whose sum is σ = 27190410312. Its totient is φ = 9056829600.

The previous prime is 18120299699. The next prime is 18120299713. The reversal of 18120299702 is 20799202181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18120299702² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18120299702.

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, 1653299 + ... + 1664222.

It is an arithmetic number, because the mean of its divisors is an integer number (3398801289).

Almost surely, 2^18120299702 is an apocalyptic number.

18120299702 is a deficient number, since it is larger than the sum of its proper divisors (9070110610).

18120299702 is a wasteful number, since it uses less digits than its factorization.

18120299702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320254.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 18120299702 in words is "eighteen billion, one hundred twenty million, two hundred ninety-nine thousand, seven hundred two".