20370645674 has 8 divisors (see below), whose sum is σ = 32164177440. Its totient is φ = 9649253196.

The previous prime is 20370645637. The next prime is 20370645703. The reversal of 20370645674 is 47654607302.

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

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 3 ways as a sum of consecutive naturals, for example, 268034774 + ... + 268034849.

It is an arithmetic number, because the mean of its divisors is an integer number (4020522180).

Almost surely, 2^20370645674 is an apocalyptic number.

20370645674 is a deficient number, since it is larger than the sum of its proper divisors (11793531766).

20370645674 is a wasteful number, since it uses less digits than its factorization.

20370645674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536069644.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 20370645674 in words is "twenty billion, three hundred seventy million, six hundred forty-five thousand, six hundred seventy-four".