202049740 has 24 divisors (see below), whose sum is σ = 424594800. Its totient is φ = 80764608.

The previous prime is 202049713. The next prime is 202049753. The reversal of 202049740 is 47940202.

It is a junction number, because it is equal to n+sod(n) for n = 202049699 and 202049708.

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, 39574 + ... + 44386.

It is an arithmetic number, because the mean of its divisors is an integer number (17691450).

Almost surely, 2^202049740 is an apocalyptic number.

202049740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202049740 is an abundant number, since it is smaller than the sum of its proper divisors (222545060).

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

202049740 is a wasteful number, since it uses less digits than its factorization.

202049740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 202049740 is about 14214.4201429394. The cubic root of 202049740 is about 586.7945865742.

Adding to 202049740 its reverse (47940202), we get a palindrome (249989942).

The spelling of 202049740 in words is "two hundred two million, forty-nine thousand, seven hundred forty".