202460024420 has 24 divisors (see below), whose sum is σ = 427324262904. Its totient is φ = 80572921856.

The previous prime is 202460024419. The next prime is 202460024443. The reversal of 202460024420 is 24420064202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14742330724 + 187717693696 = 121418^2 + 433264^2 .

It is a super-2 number, since 2×202460024420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202460024420.

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, 25688957 + ... + 25696836.

It is an arithmetic number, because the mean of its divisors is an integer number (17805177621).

Almost surely, 2^202460024420 is an apocalyptic number.

202460024420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202460024420 is an abundant number, since it is smaller than the sum of its proper divisors (224864238484).

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

202460024420 is a wasteful number, since it uses less digits than its factorization.

202460024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51385999 (or 51385997 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202460024420 its reverse (24420064202), we get a palindrome (226880088622).

The spelling of 202460024420 in words is "two hundred two billion, four hundred sixty million, twenty-four thousand, four hundred twenty".