20370018670 has 16 divisors (see below), whose sum is σ = 36852159168. Its totient is φ = 8106646240.

The previous prime is 20370018637. The next prime is 20370018733. The reversal of 20370018670 is 7681007302.

It is a super-2 number, since 2×20370018670² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5168086 + ... + 5172025.

It is an arithmetic number, because the mean of its divisors is an integer number (2303259948).

Almost surely, 2^20370018670 is an apocalyptic number.

20370018670 is a deficient number, since it is larger than the sum of its proper divisors (16482140498).

20370018670 is a wasteful number, since it uses less digits than its factorization.

20370018670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340315.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 20370018670 in words is "twenty billion, three hundred seventy million, eighteen thousand, six hundred seventy".