20260951 has 2 divisors, whose sum is σ = 20260952. Its totient is φ = 20260950.

The previous prime is 20260921. The next prime is 20260963. The reversal of 20260951 is 15906202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20260951 is a prime.

It is a super-2 number, since 2×20260951² = 821012270848802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20260921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130475 + 10130476.

It is an arithmetic number, because the mean of its divisors is an integer number (10130476).

Almost surely, 2^20260951 is an apocalyptic number.

20260951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260951 is an equidigital number, since it uses as much as digits as its factorization.

20260951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20260951 is about 4501.2166133169. The cubic root of 20260951 is about 272.6172141139.

The spelling of 20260951 in words is "twenty million, two hundred sixty thousand, nine hundred fifty-one".