20379011 has 2 divisors, whose sum is σ = 20379012. Its totient is φ = 20379010.

The previous prime is 20378999. The next prime is 20379017. The reversal of 20379011 is 11097302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20379011 - 2¹⁴ = 20362627 is a prime.

It is not a weakly prime, because it can be changed into another prime (20379017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10189505 + 10189506.

It is an arithmetic number, because the mean of its divisors is an integer number (10189506).

Almost surely, 2^20379011 is an apocalyptic number.

20379011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20379011 is an equidigital number, since it uses as much as digits as its factorization.

20379011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 20379011 is about 4514.3117969409. The cubic root of 20379011 is about 273.1456999324.

The spelling of 20379011 in words is "twenty million, three hundred seventy-nine thousand, eleven".