20440750032 has 40 divisors (see below), whose sum is σ = 58672524480. Its totient is φ = 6813583200.

The previous prime is 20440749983. The next prime is 20440750091. The reversal of 20440750032 is 23005704402.

20440750032 is a `hidden beast` number, since 204 + 407 + 50 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20440749978 and 20440750005.

It is a congruent number.

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, 23657844 + ... + 23658707.

It is an arithmetic number, because the mean of its divisors is an integer number (1466813112).

Almost surely, 2^20440750032 is an apocalyptic number.

It is an amenable number.

20440750032 is an abundant number, since it is smaller than the sum of its proper divisors (38231774448).

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

20440750032 is a wasteful number, since it uses less digits than its factorization.

20440750032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316568 (or 47316556 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The spelling of 20440750032 in words is "twenty billion, four hundred forty million, seven hundred fifty thousand, thirty-two".