902003420 has 24 divisors (see below), whose sum is σ = 1976565024. Its totient is φ = 345114176.

The previous prime is 902003419. The next prime is 902003429. The reversal of 902003420 is 24300209.

It is a super-2 number, since 2×902003420² = 1627220339383392800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 902003392 and 902003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902003429) 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, 979979 + ... + 980898.

It is an arithmetic number, because the mean of its divisors is an integer number (82356876).

Almost surely, 2^902003420 is an apocalyptic number.

It is an amenable number.

902003420 is an abundant number, since it is smaller than the sum of its proper divisors (1074561604).

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

902003420 is a wasteful number, since it uses less digits than its factorization.

902003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960909 (or 1960907 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 902003420 is about 30033.3717720805. The cubic root of 902003420 is about 966.2052539629.

Adding to 902003420 its reverse (24300209), we get a palindrome (926303629).

The spelling of 902003420 in words is "nine hundred two million, three thousand, four hundred twenty".