20383946870 has 16 divisors (see below), whose sum is σ = 41932690848. Its totient is φ = 6988781760.

The previous prime is 20383946867. The next prime is 20383946873. The reversal of 20383946870 is 7864938302.

It is an interprime number because it is at equal distance from previous prime (20383946867) and next prime (20383946873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20383946873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145599551 + ... + 145599690.

It is an arithmetic number, because the mean of its divisors is an integer number (2620793178).

Almost surely, 2^20383946870 is an apocalyptic number.

20383946870 is an abundant number, since it is smaller than the sum of its proper divisors (21548743978).

20383946870 is a wasteful number, since it uses less digits than its factorization.

20383946870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291199255.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 20383946870 in words is "twenty billion, three hundred eighty-three million, nine hundred forty-six thousand, eight hundred seventy".