20073872786 has 8 divisors (see below), whose sum is σ = 32848155504. Its totient is φ = 9124487620.

The previous prime is 20073872719. The next prime is 20073872809. The reversal of 20073872786 is 68727837002.

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

It is a super-2 number, since 2×20073872786² (a number of 21 digits) contains 22 as substring.

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, 456224360 + ... + 456224403.

It is an arithmetic number, because the mean of its divisors is an integer number (4106019438).

Almost surely, 2^20073872786 is an apocalyptic number.

20073872786 is a deficient number, since it is larger than the sum of its proper divisors (12774282718).

20073872786 is a wasteful number, since it uses less digits than its factorization.

20073872786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912448776.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 20073872786 in words is "twenty billion, seventy-three million, eight hundred seventy-two thousand, seven hundred eighty-six".