20379103 has 2 divisors, whose sum is σ = 20379104. Its totient is φ = 20379102.

The previous prime is 20379101. The next prime is 20379109. The reversal of 20379103 is 30197302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20379103 - 2¹ = 20379101 is a prime.

Together with 20379101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20379101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10189551 + 10189552.

It is an arithmetic number, because the mean of its divisors is an integer number (10189552).

Almost surely, 2^20379103 is an apocalyptic number.

20379103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20379103 is an equidigital number, since it uses as much as digits as its factorization.

20379103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 20379103 is about 4514.3219867440. The cubic root of 20379103 is about 273.1461109659.

The spelling of 20379103 in words is "twenty million, three hundred seventy-nine thousand, one hundred three".