20200333381 has 2 divisors, whose sum is σ = 20200333382. Its totient is φ = 20200333380.

The previous prime is 20200333271. The next prime is 20200333397. The reversal of 20200333381 is 18333300202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18565425025 + 1634908356 = 136255^2 + 40434^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200333381 - 2¹⁵ = 20200300613 is a prime.

It is a super-2 number, since 2×20200333381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200333781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100166690 + 10100166691.

It is an arithmetic number, because the mean of its divisors is an integer number (10100166691).

Almost surely, 2^20200333381 is an apocalyptic number.

It is an amenable number.

20200333381 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200333381 is an equidigital number, since it uses as much as digits as its factorization.

20200333381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20200333381 its reverse (18333300202), we get a palindrome (38533633583).

The spelling of 20200333381 in words is "twenty billion, two hundred million, three hundred thirty-three thousand, three hundred eighty-one".