21014312023020 has 48 divisors (see below), whose sum is σ = 58840930844640. Its totient is φ = 5603734903296.

The previous prime is 21014312023007. The next prime is 21014312023027. The reversal of 21014312023020 is 2032021341012.

It is not an unprimeable number, because it can be changed into a prime (21014312023027) 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, 1659246 + ... + 6691914.

It is an arithmetic number, because the mean of its divisors is an integer number (1225852725930).

Almost surely, 2^{21014312023020} is an apocalyptic number.

21014312023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21014312023020 is an abundant number, since it is smaller than the sum of its proper divisors (37826618821620).

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

21014312023020 is a wasteful number, since it uses less digits than its factorization.

21014312023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102274 (or 5102272 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21014312023020 its reverse (2032021341012), we get a palindrome (23046333364032).

The spelling of 21014312023020 in words is "twenty-one trillion, fourteen billion, three hundred twelve million, twenty-three thousand, twenty".