20040044100030 has 96 divisors (see below), whose sum is σ = 53554925039616. Its totient is φ = 5196325321152.

The previous prime is 20040044099969. The next prime is 20040044100047. The reversal of 20040044100030 is 3000144004002.

It is a super-2 number, since 2×20040044100030² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20040044099976 and 20040044100012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10747542 + ... + 12473561.

It is an arithmetic number, because the mean of its divisors is an integer number (557863802496).

Almost surely, 2^{20040044100030} is an apocalyptic number.

20040044100030 is an abundant number, since it is smaller than the sum of its proper divisors (33514880939586).

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

20040044100030 is a wasteful number, since it uses less digits than its factorization.

20040044100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23221382 (or 23221379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20040044100030 its reverse (3000144004002), we get a palindrome (23040188104032).

The spelling of 20040044100030 in words is "twenty trillion, forty billion, forty-four million, one hundred thousand, thirty".