3320020031 has 4 divisors (see below), whose sum is σ = 3464368752. Its totient is φ = 3175671312.

The previous prime is 3320020013. The next prime is 3320020037. The reversal of 3320020031 is 1300200233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300200233 = 31 ⋅41941943.

It is a cyclic number.

It is not a de Polignac number, because 3320020031 - 2¹⁸ = 3319757887 is a prime.

It is a super-2 number, since 2×3320020031² = 22045066012482481922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3320019988 and 3320020015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72174326 + ... + 72174371.

It is an arithmetic number, because the mean of its divisors is an integer number (866092188).

Almost surely, 2^3320020031 is an apocalyptic number.

3320020031 is a deficient number, since it is larger than the sum of its proper divisors (144348721).

3320020031 is a wasteful number, since it uses less digits than its factorization.

3320020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144348720.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3320020031 is about 57619.6149848296. The cubic root of 3320020031 is about 1491.8101854122.

Adding to 3320020031 its reverse (1300200233), we get a palindrome (4620220264).

The spelling of 3320020031 in words is "three billion, three hundred twenty million, twenty thousand, thirty-one".