202003122120 has 64 divisors (see below), whose sum is σ = 632357608320. Its totient is φ = 51525433344.

The previous prime is 202003122119. The next prime is 202003122121. The reversal of 202003122120 is 21221300202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202003122119) and next prime (202003122121).

It is a super-3 number, since 3×202003122120³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202003122120.

It is not an unprimeable number, because it can be changed into a prime (202003122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36592009 + ... + 36597528.

It is an arithmetic number, because the mean of its divisors is an integer number (9880587630).

Almost surely, 2^202003122120 is an apocalyptic number.

202003122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202003122120 is an abundant number, since it is smaller than the sum of its proper divisors (430354486200).

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

202003122120 is a wasteful number, since it uses less digits than its factorization.

202003122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73189574 (or 73189570 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202003122120 its reverse (21221300202), we get a palindrome (223224422322).

The spelling of 202003122120 in words is "two hundred two billion, three million, one hundred twenty-two thousand, one hundred twenty".