202031040 has 112 divisors (see below), whose sum is σ = 644286240. Its totient is φ = 53637120.

The previous prime is 202031033. The next prime is 202031107. The reversal of 202031040 is 40130202.

It is a super-2 number, since 2×202031040² = 81633082246963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373170 + ... + 373710.

Almost surely, 2^202031040 is an apocalyptic number.

202031040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322143120).

202031040 is an abundant number, since it is smaller than the sum of its proper divisors (442255200).

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

202031040 is a wasteful number, since it uses less digits than its factorization.

202031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202031040 is about 14213.7623449951. The cubic root of 202031040 is about 586.7764831156.

Adding to 202031040 its reverse (40130202), we get a palindrome (242161242).

The spelling of 202031040 in words is "two hundred two million, thirty-one thousand, forty".