20286020401951 has 2 divisors, whose sum is σ = 20286020401952. Its totient is φ = 20286020401950.

The previous prime is 20286020401849. The next prime is 20286020401957. The reversal of 20286020401951 is 15910402068202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20286020401951 - 2³⁹ = 19736264588063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20286020401957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10143010200975 + 10143010200976.

It is an arithmetic number, because the mean of its divisors is an integer number (10143010200976).

Almost surely, 2^{20286020401951} is an apocalyptic number.

20286020401951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20286020401951 is an equidigital number, since it uses as much as digits as its factorization.

20286020401951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 20286020401951 in words is "twenty trillion, two hundred eighty-six billion, twenty million, four hundred one thousand, nine hundred fifty-one".