21303014420120 has 64 divisors (see below), whose sum is σ = 48999935387520. Its totient is φ = 8331669896704.

The previous prime is 21303014420113. The next prime is 21303014420159. The reversal of 21303014420120 is 2102441030312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3688547 + ... + 7497426.

It is an arithmetic number, because the mean of its divisors is an integer number (765623990430).

Almost surely, 2^{21303014420120} is an apocalyptic number.

21303014420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303014420120 is an abundant number, since it is smaller than the sum of its proper divisors (27696920967400).

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

21303014420120 is a wasteful number, since it uses less digits than its factorization.

21303014420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187044 (or 11187040 counting only the distinct ones).

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

Adding to 21303014420120 its reverse (2102441030312), we get a palindrome (23405455450432).

The spelling of 21303014420120 in words is "twenty-one trillion, three hundred three billion, fourteen million, four hundred twenty thousand, one hundred twenty".