20440125763 has 8 divisors (see below), whose sum is σ = 21667696560. Its totient is φ = 19215356160.

The previous prime is 20440125757. The next prime is 20440125847. The reversal of 20440125763 is 36752104402.

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

It is a cyclic number.

It is not a de Polignac number, because 20440125763 - 2¹⁷ = 20439994691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20440125703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685258 + ... + 714463.

It is an arithmetic number, because the mean of its divisors is an integer number (2708462070).

Almost surely, 2^20440125763 is an apocalyptic number.

20440125763 is a deficient number, since it is larger than the sum of its proper divisors (1227570797).

20440125763 is a wasteful number, since it uses less digits than its factorization.

20440125763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400597.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20440125763 in words is "twenty billion, four hundred forty million, one hundred twenty-five thousand, seven hundred sixty-three".