20101369 has 2 divisors, whose sum is σ = 20101370. Its totient is φ = 20101368.

The previous prime is 20101351. The next prime is 20101387. The reversal of 20101369 is 96310102.

It is a balanced prime because it is at equal distance from previous prime (20101351) and next prime (20101387).

It can be written as a sum of positive squares in only one way, i.e., 14341369 + 5760000 = 3787^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 20101369 - 2¹⁷ = 19970297 is a prime.

It is a super-2 number, since 2×20101369² = 808130071348322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20101309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050684 + 10050685.

It is an arithmetic number, because the mean of its divisors is an integer number (10050685).

Almost surely, 2^20101369 is an apocalyptic number.

It is an amenable number.

20101369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101369 is an equidigital number, since it uses as much as digits as its factorization.

20101369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20101369 is about 4483.4550293273. The cubic root of 20101369 is about 271.8995853752.

The spelling of 20101369 in words is "twenty million, one hundred one thousand, three hundred sixty-nine".