3331000020 has 24 divisors (see below), whose sum is σ = 9326800224. Its totient is φ = 888266656.

The previous prime is 3331000019. The next prime is 3331000033. The reversal of 3331000020 is 200001333.

It is a happy number.

It is a super-2 number, since 2×3331000020² = 22191122266480000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 27758274 + ... + 27758393.

It is an arithmetic number, because the mean of its divisors is an integer number (388616676).

Almost surely, 2^3331000020 is an apocalyptic number.

3331000020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3331000020 is an abundant number, since it is smaller than the sum of its proper divisors (5995800204).

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

3331000020 is a wasteful number, since it uses less digits than its factorization.

3331000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55516679 (or 55516677 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3331000020 is about 57714.8162952980. The cubic root of 3331000020 is about 1493.4529501114.

Adding to 3331000020 its reverse (200001333), we get a palindrome (3531001353).

The spelling of 3331000020 in words is "three billion, three hundred thirty-one million, twenty", and thus it is an aban number.