20357250203 has 2 divisors, whose sum is σ = 20357250204. Its totient is φ = 20357250202.

The previous prime is 20357250197. The next prime is 20357250211. The reversal of 20357250203 is 30205275302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20357250203 - 2⁶ = 20357250139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20357250703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10178625101 + 10178625102.

It is an arithmetic number, because the mean of its divisors is an integer number (10178625102).

Almost surely, 2^20357250203 is an apocalyptic number.

20357250203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20357250203 is an equidigital number, since it uses as much as digits as its factorization.

20357250203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 29.

The spelling of 20357250203 in words is "twenty billion, three hundred fifty-seven million, two hundred fifty thousand, two hundred three".