202001340 has 24 divisors (see below), whose sum is σ = 565603920. Its totient is φ = 53867008.

The previous prime is 202001339. The next prime is 202001351. The reversal of 202001340 is 43100202.

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 7 ways as a sum of consecutive naturals, for example, 1683285 + ... + 1683404.

It is an arithmetic number, because the mean of its divisors is an integer number (23566830).

Almost surely, 2^202001340 is an apocalyptic number.

202001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001340 is an abundant number, since it is smaller than the sum of its proper divisors (363602580).

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

202001340 is a wasteful number, since it uses less digits than its factorization.

202001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366701 (or 3366699 counting only the distinct ones).

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

The square root of 202001340 is about 14212.7175445092. The cubic root of 202001340 is about 586.7477282675.

Adding to 202001340 its reverse (43100202), we get a palindrome (245101542).

The spelling of 202001340 in words is "two hundred two million, one thousand, three hundred forty".