20486203 has 2 divisors, whose sum is σ = 20486204. Its totient is φ = 20486202.

The previous prime is 20486177. The next prime is 20486239. The reversal of 20486203 is 30268402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20486203 - 2⁵ = 20486171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20486293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10243101 + 10243102.

It is an arithmetic number, because the mean of its divisors is an integer number (10243102).

Almost surely, 2^20486203 is an apocalyptic number.

20486203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20486203 is an equidigital number, since it uses as much as digits as its factorization.

20486203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20486203 is about 4526.1686888582. The cubic root of 20486203 is about 273.6237710258.

The spelling of 20486203 in words is "twenty million, four hundred eighty-six thousand, two hundred three".