210002021102020 has 24 divisors (see below), whose sum is σ = 504004850645184. Its totient is φ = 72000692949216.

The previous prime is 210002021101907. The next prime is 210002021102023. The reversal of 210002021102020 is 20201120200012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210002021102023) 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, 750007218082 + ... + 750007218361.

It is an arithmetic number, because the mean of its divisors is an integer number (21000202110216).

Almost surely, 2^{210002021102020} is an apocalyptic number.

210002021102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002021102020 is an abundant number, since it is smaller than the sum of its proper divisors (294002829543164).

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

210002021102020 is a wasteful number, since it uses less digits than its factorization.

210002021102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500014436459 (or 1500014436457 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210002021102020 its reverse (20201120200012), we get a palindrome (230203141302032).

The spelling of 210002021102020 in words is "two hundred ten trillion, two billion, twenty-one million, one hundred two thousand, twenty".