20377701376 has 88 divisors (see below), whose sum is σ = 41918367744. Its totient is φ = 9895710720.

The previous prime is 20377701367. The next prime is 20377701403. The reversal of 20377701376 is 67310777302.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408901 + ... + 8411323.

It is an arithmetic number, because the mean of its divisors is an integer number (476345088).

Almost surely, 2^20377701376 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 20377701376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20959183872).

20377701376 is an abundant number, since it is smaller than the sum of its proper divisors (21540666368).

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

20377701376 is a wasteful number, since it uses less digits than its factorization.

20377701376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 43.

The spelling of 20377701376 in words is "twenty billion, three hundred seventy-seven million, seven hundred one thousand, three hundred seventy-six".