3045211220 has 48 divisors (see below), whose sum is σ = 6607899648. Its totient is φ = 1177601280.

The previous prime is 3045211199. The next prime is 3045211223. The reversal of 3045211220 is 221125403.

It is a super-2 number, since 2×3045211220² = 18546622748827776800, 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 = 3045211192 and 3045211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045211223) 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, 845744 + ... + 849336.

It is an arithmetic number, because the mean of its divisors is an integer number (137664576).

Almost surely, 2^3045211220 is an apocalyptic number.

It is an amenable number.

3045211220 is an abundant number, since it is smaller than the sum of its proper divisors (3562688428).

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

3045211220 is a wasteful number, since it uses less digits than its factorization.

3045211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3045211220 is about 55183.4324775109. The cubic root of 3045211220 is about 1449.4585723318.

Adding to 3045211220 its reverse (221125403), we get a palindrome (3266336623).

The spelling of 3045211220 in words is "three billion, forty-five million, two hundred eleven thousand, two hundred twenty".