20440752026 has 16 divisors (see below), whose sum is σ = 34173394560. Its totient is φ = 9112904640.

The previous prime is 20440751987. The next prime is 20440752113. The reversal of 20440752026 is 62025704402.

It is a junction number, because it is equal to n+sod(n) for n = 20440751983 and 20440752001.

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, 15820370 + ... + 15821661.

It is an arithmetic number, because the mean of its divisors is an integer number (2135837160).

Almost surely, 2^20440752026 is an apocalyptic number.

20440752026 is a deficient number, since it is larger than the sum of its proper divisors (13732642534).

20440752026 is a wasteful number, since it uses less digits than its factorization.

20440752026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31642069.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 20440752026 in words is "twenty billion, four hundred forty million, seven hundred fifty-two thousand, twenty-six".