3211230020 has 24 divisors (see below), whose sum is σ = 6777822744. Its totient is φ = 1277970176.

The previous prime is 3211229933. The next prime is 3211230047. The reversal of 3211230020 is 200321123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1736055556 + 1475174464 = 41666^2 + 38408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3211229977 and 3211230004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403577 + ... + 411456.

It is an arithmetic number, because the mean of its divisors is an integer number (282409281).

Almost surely, 2^3211230020 is an apocalyptic number.

It is an amenable number.

3211230020 is an abundant number, since it is smaller than the sum of its proper divisors (3566592724).

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

3211230020 is a wasteful number, since it uses less digits than its factorization.

3211230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815239 (or 815237 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3211230020 is about 56667.7158530322. The cubic root of 3211230020 is about 1475.3344096701.

Adding to 3211230020 its reverse (200321123), we get a palindrome (3411551143).

The spelling of 3211230020 in words is "three billion, two hundred eleven million, two hundred thirty thousand, twenty".