20379061 has 2 divisors, whose sum is σ = 20379062. Its totient is φ = 20379060.

The previous prime is 20379041. The next prime is 20379089. The reversal of 20379061 is 16097302.

It is an a-pointer prime, because the next prime (20379089) can be obtained adding 20379061 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19980900 + 398161 = 4470^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 20379061 - 2⁷ = 20378933 is a prime.

It is a super-2 number, since 2×20379061² = 830612254483442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20379011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10189530 + 10189531.

It is an arithmetic number, because the mean of its divisors is an integer number (10189531).

Almost surely, 2^20379061 is an apocalyptic number.

It is an amenable number.

20379061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20379061 is an equidigital number, since it uses as much as digits as its factorization.

20379061 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 20379061 is about 4514.3173348802. The cubic root of 20379061 is about 273.1459233203.

The spelling of 20379061 in words is "twenty million, three hundred seventy-nine thousand, sixty-one".