202003120 has 40 divisors (see below), whose sum is σ = 512355600. Its totient is φ = 73455360.

The previous prime is 202003103. The next prime is 202003141. The reversal of 202003120 is 21300202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202003097 and 202003106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113895 + ... + 115654.

It is an arithmetic number, because the mean of its divisors is an integer number (12808890).

Almost surely, 2^202003120 is an apocalyptic number.

202003120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202003120 is an abundant number, since it is smaller than the sum of its proper divisors (310352480).

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

202003120 is a wasteful number, since it uses less digits than its factorization.

202003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229573 (or 229567 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 202003120 is about 14212.7801643450. The cubic root of 202003120 is about 586.7494517014.

Adding to 202003120 its reverse (21300202), we get a palindrome (223303322).

The spelling of 202003120 in words is "two hundred two million, three thousand, one hundred twenty".