20376678784 has 192 divisors, whose sum is σ = 52760887200. Its totient is φ = 7664025600.

The previous prime is 20376678757. The next prime is 20376678821. The reversal of 20376678784 is 48787667302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3140824 + ... + 3147304.

Almost surely, 2^20376678784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20376678784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26380443600).

20376678784 is an abundant number, since it is smaller than the sum of its proper divisors (32384208416).

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

20376678784 is a wasteful number, since it uses less digits than its factorization.

20376678784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553 (or 6530 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 20376678784 in words is "twenty billion, three hundred seventy-six million, six hundred seventy-eight thousand, seven hundred eighty-four".