20326051 has 2 divisors, whose sum is σ = 20326052. Its totient is φ = 20326050.

The previous prime is 20326039. The next prime is 20326063. The reversal of 20326051 is 15062302.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20326039) and next prime (20326063).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20326051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20326001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163025 + 10163026.

It is an arithmetic number, because the mean of its divisors is an integer number (10163026).

Almost surely, 2^20326051 is an apocalyptic number.

20326051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20326051 is an equidigital number, since it uses as much as digits as its factorization.

20326051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20326051 is about 4508.4421921546. The cubic root of 20326051 is about 272.9088820057.

Adding to 20326051 its reverse (15062302), we get a palindrome (35388353).

The spelling of 20326051 in words is "twenty million, three hundred twenty-six thousand, fifty-one".