3513222020 has 48 divisors (see below), whose sum is σ = 9198258048. Its totient is φ = 1095029760.

The previous prime is 3513222019. The next prime is 3513222047. The reversal of 3513222020 is 202223153.

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 = 3513221983 and 3513222001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139117 + ... + 1142196.

It is an arithmetic number, because the mean of its divisors is an integer number (191630376).

Almost surely, 2^3513222020 is an apocalyptic number.

It is an amenable number.

3513222020 is an abundant number, since it is smaller than the sum of its proper divisors (5685036028).

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

3513222020 is a wasteful number, since it uses less digits than its factorization.

3513222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281340 (or 2281338 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3513222020 is about 59272.4389577483. The cubic root of 3513222020 is about 1520.2039805890.

Adding to 3513222020 its reverse (202223153), we get a palindrome (3715445173).

The spelling of 3513222020 in words is "three billion, five hundred thirteen million, two hundred twenty-two thousand, twenty".