20001233004140 has 24 divisors (see below), whose sum is σ = 42002683032240. Its totient is φ = 8000475349568.

The previous prime is 20001233004127. The next prime is 20001233004143. The reversal of 20001233004140 is 4140033210002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20001233004143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11613371 + ... + 13223949.

It is an arithmetic number, because the mean of its divisors is an integer number (1750111793010).

Almost surely, 2^{20001233004140} is an apocalyptic number.

20001233004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001233004140 is an abundant number, since it is smaller than the sum of its proper divisors (22001450028100).

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

20001233004140 is a wasteful number, since it uses less digits than its factorization.

20001233004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231521 (or 2231519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20001233004140 its reverse (4140033210002), we get a palindrome (24141266214142).

The spelling of 20001233004140 in words is "twenty trillion, one billion, two hundred thirty-three million, four thousand, one hundred forty".