1421343120020 has 48 divisors (see below), whose sum is σ = 3002189194368. Its totient is φ = 565230775680.

The previous prime is 1421343120017. The next prime is 1421343120023. The reversal of 1421343120020 is 200213431241.

It is an interprime number because it is at equal distance from previous prime (1421343120017) and next prime (1421343120023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421343120023) 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, 12712079 + ... + 12823401.

It is an arithmetic number, because the mean of its divisors is an integer number (62545608216).

Almost surely, 2^{1421343120020} is an apocalyptic number.

1421343120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421343120020 is an abundant number, since it is smaller than the sum of its proper divisors (1580846074348).

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

1421343120020 is a wasteful number, since it uses less digits than its factorization.

1421343120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115040 (or 115038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1421343120020 its reverse (200213431241), we get a palindrome (1621556551261).

The spelling of 1421343120020 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, one hundred twenty thousand, twenty".