3420321203 has 6 divisors (see below), whose sum is σ = 3703661604. Its totient is φ = 3157219416.

The previous prime is 3420321199. The next prime is 3420321211. The reversal of 3420321203 is 3021230243.

It is not a de Polignac number, because 3420321203 - 2² = 3420321199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420321293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10119125 + ... + 10119462.

It is an arithmetic number, because the mean of its divisors is an integer number (617276934).

Almost surely, 2^3420321203 is an apocalyptic number.

3420321203 is a deficient number, since it is larger than the sum of its proper divisors (283340401).

3420321203 is a wasteful number, since it uses less digits than its factorization.

3420321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20238613 (or 20238600 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3420321203 is about 58483.5122320813. The cubic root of 3420321203 is about 1506.6844203982.

Adding to 3420321203 its reverse (3021230243), we get a palindrome (6441551446).

The spelling of 3420321203 in words is "three billion, four hundred twenty million, three hundred twenty-one thousand, two hundred three".