20976415386 has 8 divisors (see below), whose sum is σ = 41952830784. Its totient is φ = 6992138460.

The previous prime is 20976415373. The next prime is 20976415387. The reversal of 20976415386 is 68351467902.

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

20976415386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20976415387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748034610 + ... + 1748034621.

It is an arithmetic number, because the mean of its divisors is an integer number (5244103848).

It is a 1-persistent number, because it is pandigital, but 2⋅20976415386 = 41952830772 is not.

Almost surely, 2^20976415386 is an apocalyptic number.

20976415386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20976415386 is a wasteful number, since it uses less digits than its factorization.

20976415386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496069236.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 20976415386 in words is "twenty billion, nine hundred seventy-six million, four hundred fifteen thousand, three hundred eighty-six".