202001201010 has 144 divisors (see below), whose sum is σ = 614611198656. Its totient is φ = 45895058496.

The previous prime is 202001200997. The next prime is 202001201011. The reversal of 202001201010 is 10102100202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 202001200983 and 202001201001.

It is not an unprimeable number, because it can be changed into a prime (202001201011) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 599329 + ... + 873611.

It is an arithmetic number, because the mean of its divisors is an integer number (4268133324).

Almost surely, 2^202001201010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202001201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307305599328).

202001201010 is an abundant number, since it is smaller than the sum of its proper divisors (412609997646).

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

202001201010 is a wasteful number, since it uses less digits than its factorization.

202001201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274477 (or 274467 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202001201010 its reverse (10102100202), we get a palindrome (212103301212).

The spelling of 202001201010 in words is "two hundred two billion, one million, two hundred one thousand, ten".