20976103 has 2 divisors, whose sum is σ = 20976104. Its totient is φ = 20976102.

The previous prime is 20976097. The next prime is 20976107. The reversal of 20976103 is 30167902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20976103 - 2¹³ = 20967911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20976107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10488051 + 10488052.

It is an arithmetic number, because the mean of its divisors is an integer number (10488052).

Almost surely, 2^20976103 is an apocalyptic number.

20976103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20976103 is an equidigital number, since it uses as much as digits as its factorization.

20976103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 20976103 is about 4579.9675763044. The cubic root of 20976103 is about 275.7877271059.

The spelling of 20976103 in words is "twenty million, nine hundred seventy-six thousand, one hundred three".