20014200133440 has 112 divisors (see below), whose sum is σ = 63547787234880. Its totient is φ = 5336893112320.

The previous prime is 20014200133399. The next prime is 20014200133441. The reversal of 20014200133440 is 4433100241002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20014200133440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014200133441) 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, 22780720 + ... + 23642960.

Almost surely, 2^{20014200133440} is an apocalyptic number.

20014200133440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014200133440 is an abundant number, since it is smaller than the sum of its proper divisors (43533587101440).

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

20014200133440 is a wasteful number, since it uses less digits than its factorization.

20014200133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886440 (or 886430 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20014200133440 its reverse (4433100241002), we get a palindrome (24447300374442).

The spelling of 20014200133440 in words is "twenty trillion, fourteen billion, two hundred million, one hundred thirty-three thousand, four hundred forty".