20425771376 has 20 divisors (see below), whose sum is σ = 40939585800. Its totient is φ = 9860716992.

The previous prime is 20425771369. The next prime is 20425771393. The reversal of 20425771376 is 67317752402.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 22010066 + ... + 22010993.

It is an arithmetic number, because the mean of its divisors is an integer number (2046979290).

Almost surely, 2^20425771376 is an apocalyptic number.

It is an amenable number.

20425771376 is an abundant number, since it is smaller than the sum of its proper divisors (20513814424).

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

20425771376 is a wasteful number, since it uses less digits than its factorization.

20425771376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44021096 (or 44021090 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 20425771376 in words is "twenty billion, four hundred twenty-five million, seven hundred seventy-one thousand, three hundred seventy-six".