20036851870 has 32 divisors (see below), whose sum is σ = 41230365696. Its totient is φ = 6867828000.

The previous prime is 20036851837. The next prime is 20036851889. The reversal of 20036851870 is 7815863002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219595 + ... + 297145.

It is an arithmetic number, because the mean of its divisors is an integer number (1288448928).

Almost surely, 2^20036851870 is an apocalyptic number.

20036851870 is an abundant number, since it is smaller than the sum of its proper divisors (21193513826).

20036851870 is a wasteful number, since it uses less digits than its factorization.

20036851870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81256.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20036851870 in words is "twenty billion, thirty-six million, eight hundred fifty-one thousand, eight hundred seventy".