20040234412401 has 16 divisors (see below), whose sum is σ = 33930555619200. Its totient is φ = 11451562521264.

The previous prime is 20040234412369. The next prime is 20040234412427. The reversal of 20040234412401 is 10421443204002.

20040234412401 is a `hidden beast` number, since 20 + 0 + 4 + 0 + 234 + 4 + 1 + 2 + 401 = 666.

It is not a de Polignac number, because 20040234412401 - 2⁵ = 20040234412369 is a prime.

It is a super-2 number, since 2×20040234412401² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20040234412501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53016492966 + ... + 53016493343.

It is an arithmetic number, because the mean of its divisors is an integer number (2120659726200).

Almost surely, 2^{20040234412401} is an apocalyptic number.

20040234412401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20040234412401 is a deficient number, since it is larger than the sum of its proper divisors (13890321206799).

20040234412401 is a wasteful number, since it uses less digits than its factorization.

20040234412401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106032986325 (or 106032986319 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20040234412401 its reverse (10421443204002), we get a palindrome (30461677616403).

The spelling of 20040234412401 in words is "twenty trillion, forty billion, two hundred thirty-four million, four hundred twelve thousand, four hundred one".