210202201020 has 96 divisors (see below), whose sum is σ = 672950476800. Its totient is φ = 48024543744.

The previous prime is 210202200983. The next prime is 210202201021. The reversal of 210202201020 is 20102202012.

It is a super-3 number, since 3×210202201020³ (a number of 35 digits) contains 333 as substring.

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 = 210202200987 and 210202201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202201021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828616 + ... + 1052144.

It is an arithmetic number, because the mean of its divisors is an integer number (7009900800).

Almost surely, 2^210202201020 is an apocalyptic number.

210202201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202201020 is an abundant number, since it is smaller than the sum of its proper divisors (462748275780).

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

210202201020 is a wasteful number, since it uses less digits than its factorization.

210202201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225787 (or 225785 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210202201020 its reverse (20102202012), we get a palindrome (230304403032).

The spelling of 210202201020 in words is "two hundred ten billion, two hundred two million, two hundred one thousand, twenty".