3920020102231 has 2 divisors, whose sum is σ = 3920020102232. Its totient is φ = 3920020102230.

The previous prime is 3920020102211. The next prime is 3920020102261. The reversal of 3920020102231 is 1322010200293.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322010200293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3920020102231 - 2³⁹ = 3370264288343 is a prime.

It is a super-2 number, since 2×3920020102231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3920020102196 and 3920020102205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3920020102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960010051115 + 1960010051116.

It is an arithmetic number, because the mean of its divisors is an integer number (1960010051116).

Almost surely, 2^{3920020102231} is an apocalyptic number.

3920020102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920020102231 is an equidigital number, since it uses as much as digits as its factorization.

3920020102231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 3920020102231 in words is "three trillion, nine hundred twenty billion, twenty million, one hundred two thousand, two hundred thirty-one".