20440996 has 12 divisors (see below), whose sum is σ = 36603952. Its totient is φ = 9982728.

The previous prime is 20440993. The next prime is 20440999. The reversal of 20440996 is 69904402.

It is an interprime number because it is at equal distance from previous prime (20440993) and next prime (20440999).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20440993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59250 + ... + 59593.

Almost surely, 2^20440996 is an apocalyptic number.

It is an amenable number.

20440996 is a deficient number, since it is larger than the sum of its proper divisors (16162956).

20440996 is a wasteful number, since it uses less digits than its factorization.

20440996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118890 (or 118888 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 20440996 is about 4521.1719719559. The cubic root of 20440996 is about 273.4223538451.

The spelling of 20440996 in words is "twenty million, four hundred forty thousand, nine hundred ninety-six".