20401140000144 has 40 divisors (see below), whose sum is σ = 55803118237920. Its totient is φ = 6400357646848.

The previous prime is 20401140000133. The next prime is 20401140000167. The reversal of 20401140000144 is 44100004110402.

It is a self number, because there is not a number n which added to its sum of digits gives 20401140000144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500697714 + ... + 12500699345.

It is an arithmetic number, because the mean of its divisors is an integer number (1395077955948).

Almost surely, 2^{20401140000144} is an apocalyptic number.

20401140000144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20401140000144 is an abundant number, since it is smaller than the sum of its proper divisors (35401978237776).

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

20401140000144 is a wasteful number, since it uses less digits than its factorization.

20401140000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25001397087 (or 25001397081 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20401140000144 its reverse (44100004110402), we get a palindrome (64501144110546).

The spelling of 20401140000144 in words is "twenty trillion, four hundred one billion, one hundred forty million, one hundred forty-four", and thus it is an aban number.