20431214041420 has 48 divisors (see below), whose sum is σ = 52806830142528. Its totient is φ = 6466142465280.

The previous prime is 20431214041397. The next prime is 20431214041423. The reversal of 20431214041420 is 2414041213402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (20431214041423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612969071 + ... + 5612972710.

It is an arithmetic number, because the mean of its divisors is an integer number (1100142294636).

Almost surely, 2^{20431214041420} is an apocalyptic number.

20431214041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20431214041420 is an abundant number, since it is smaller than the sum of its proper divisors (32375616101108).

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

20431214041420 is a wasteful number, since it uses less digits than its factorization.

20431214041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225941810 (or 11225941808 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20431214041420 its reverse (2414041213402), we get a palindrome (22845255254822).

The spelling of 20431214041420 in words is "twenty trillion, four hundred thirty-one billion, two hundred fourteen million, forty-one thousand, four hundred twenty".