20440052735 has 16 divisors (see below), whose sum is σ = 25621664256. Its totient is φ = 15624484128.

The previous prime is 20440052729. The next prime is 20440052749. The reversal of 20440052735 is 53725004402.

It is a cyclic number.

It is not a de Polignac number, because 20440052735 - 2²² = 20435858431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15062 + ... + 202748.

It is an arithmetic number, because the mean of its divisors is an integer number (1601354016).

Almost surely, 2^20440052735 is an apocalyptic number.

20440052735 is a deficient number, since it is larger than the sum of its proper divisors (5181611521).

20440052735 is a wasteful number, since it uses less digits than its factorization.

20440052735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188662.

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 20440052735 in words is "twenty billion, four hundred forty million, fifty-two thousand, seven hundred thirty-five".