3420203020 has 48 divisors (see below), whose sum is σ = 7794043488. Its totient is φ = 1253191680.

The previous prime is 3420202993. The next prime is 3420203027. The reversal of 3420203020 is 203020243.

It is a junction number, because it is equal to n+sod(n) for n = 3420202985 and 3420203003.

It is not an unprimeable number, because it can be changed into a prime (3420203027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16149 + ... + 84268.

It is an arithmetic number, because the mean of its divisors is an integer number (162375906).

Almost surely, 2^3420203020 is an apocalyptic number.

It is an amenable number.

3420203020 is an abundant number, since it is smaller than the sum of its proper divisors (4373840468).

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

3420203020 is a wasteful number, since it uses less digits than its factorization.

3420203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100570 (or 100568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3420203020 is about 58482.5018274697. The cubic root of 3420203020 is about 1506.6670666152.

Adding to 3420203020 its reverse (203020243), we get a palindrome (3623223263).

The spelling of 3420203020 in words is "three billion, four hundred twenty million, two hundred three thousand, twenty".