402003130420 has 24 divisors (see below), whose sum is σ = 858515162400. Its totient is φ = 158075806752.

The previous prime is 402003130349. The next prime is 402003130429. The reversal of 402003130420 is 24031300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402003130429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170339130 + ... + 170341489.

It is an arithmetic number, because the mean of its divisors is an integer number (35771465100).

Almost surely, 2^402003130420 is an apocalyptic number.

It is an amenable number.

402003130420 is an abundant number, since it is smaller than the sum of its proper divisors (456512031980).

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

402003130420 is a wasteful number, since it uses less digits than its factorization.

402003130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340680687 (or 340680685 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 402003130420 its reverse (24031300204), we get a palindrome (426034430624).

The spelling of 402003130420 in words is "four hundred two billion, three million, one hundred thirty thousand, four hundred twenty".