10021310444020 has 48 divisors (see below), whose sum is σ = 21960376300800. Its totient is φ = 3834129618176.

The previous prime is 10021310443979. The next prime is 10021310444099. The reversal of 10021310444020 is 2044401312001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021310443982 and 10021310444000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16591281 + ... + 17184679.

It is an arithmetic number, because the mean of its divisors is an integer number (457507839600).

Almost surely, 2^{10021310444020} is an apocalyptic number.

10021310444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021310444020 is an abundant number, since it is smaller than the sum of its proper divisors (11939065856780).

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

10021310444020 is a wasteful number, since it uses less digits than its factorization.

10021310444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630144 (or 630142 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10021310444020 its reverse (2044401312001), we get a palindrome (12065711756021).

The spelling of 10021310444020 in words is "ten trillion, twenty-one billion, three hundred ten million, four hundred forty-four thousand, twenty".