20044432242100 has 72 divisors (see below), whose sum is σ = 49710781167488. Its totient is φ = 6872295312000.

The previous prime is 20044432242073. The next prime is 20044432242101. The reversal of 20044432242100 is 124223444002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044432242101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109739449 + ... + 109921951.

Almost surely, 2^{20044432242100} is an apocalyptic number.

20044432242100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044432242100 is an abundant number, since it is smaller than the sum of its proper divisors (29666348925388).

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

20044432242100 is a wasteful number, since it uses less digits than its factorization.

20044432242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339425 (or 339418 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20044432242100 its reverse (124223444002), we get a palindrome (20168655686102).

The spelling of 20044432242100 in words is "twenty trillion, forty-four billion, four hundred thirty-two million, two hundred forty-two thousand, one hundred".