10210021012020 has 24 divisors (see below), whose sum is σ = 28588058833824. Its totient is φ = 2722672269856.

The previous prime is 10210021012013. The next prime is 10210021012021. The reversal of 10210021012020 is 2021012001201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10210021011987 and 10210021012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210021012021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85083508374 + ... + 85083508493.

It is an arithmetic number, because the mean of its divisors is an integer number (1191169118076).

Almost surely, 2^{10210021012020} is an apocalyptic number.

10210021012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210021012020 is an abundant number, since it is smaller than the sum of its proper divisors (18378037821804).

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

10210021012020 is a wasteful number, since it uses less digits than its factorization.

10210021012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170167016879 (or 170167016877 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10210021012020 its reverse (2021012001201), we get a palindrome (12231033013221).

The spelling of 10210021012020 in words is "ten trillion, two hundred ten billion, twenty-one million, twelve thousand, twenty".