202402220240 has 40 divisors (see below), whose sum is σ = 513365633568. Its totient is φ = 73600807040.

The previous prime is 202402220239. The next prime is 202402220329. The reversal of 202402220240 is 42022204202.

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 (20).

It is a congruent number.

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, 115000382 + ... + 115002141.

Almost surely, 2^202402220240 is an apocalyptic number.

202402220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202402220240 is an abundant number, since it is smaller than the sum of its proper divisors (310963413328).

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

202402220240 is a wasteful number, since it uses less digits than its factorization.

202402220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230002547 (or 230002541 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 202402220240 its reverse (42022204202), we get a palindrome (244424424442).

The spelling of 202402220240 in words is "two hundred two billion, four hundred two million, two hundred twenty thousand, two hundred forty".