20101351 has 2 divisors, whose sum is σ = 20101352. Its totient is φ = 20101350.

The previous prime is 20101349. The next prime is 20101369. The reversal of 20101351 is 15310102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101351 - 2¹ = 20101349 is a prime.

Together with 20101349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050675 + 10050676.

It is an arithmetic number, because the mean of its divisors is an integer number (10050676).

Almost surely, 2^20101351 is an apocalyptic number.

20101351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101351 is an equidigital number, since it uses as much as digits as its factorization.

20101351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 20101351 is about 4483.4530219464. The cubic root of 20101351 is about 271.8995042167.

Adding to 20101351 its reverse (15310102), we get a palindrome (35411453).

The spelling of 20101351 in words is "twenty million, one hundred one thousand, three hundred fifty-one".