201203033321020 has 24 divisors (see below), whose sum is σ = 422547374267424. Its totient is φ = 80477212510656.

The previous prime is 201203033320997. The next prime is 201203033321027. The reversal of 201203033321020 is 20123330302102.

It is a junction number, because it is equal to n+sod(n) for n = 201203033320982 and 201203033321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203033321027) 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, 249638712 + ... + 250443391.

It is an arithmetic number, because the mean of its divisors is an integer number (17606140594476).

Almost surely, 2^{201203033321020} is an apocalyptic number.

201203033321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201203033321020 is an abundant number, since it is smaller than the sum of its proper divisors (221344340946404).

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

201203033321020 is a wasteful number, since it uses less digits than its factorization.

201203033321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500102229 (or 500102227 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 201203033321020 its reverse (20123330302102), we get a palindrome (221326363623122).

The spelling of 201203033321020 in words is "two hundred one trillion, two hundred three billion, thirty-three million, three hundred twenty-one thousand, twenty".