20029319 has 2 divisors, whose sum is σ = 20029320. Its totient is φ = 20029318.

The previous prime is 20029307. The next prime is 20029337. The reversal of 20029319 is 91392002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20029319 - 2⁸ = 20029063 is a prime.

It is a super-2 number, since 2×20029319² = 802347239207522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20029019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10014659 + 10014660.

It is an arithmetic number, because the mean of its divisors is an integer number (10014660).

Almost surely, 2^20029319 is an apocalyptic number.

20029319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20029319 is an equidigital number, since it uses as much as digits as its factorization.

20029319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 20029319 is about 4475.4127183982. The cubic root of 20029319 is about 271.5743369145.

The spelling of 20029319 in words is "twenty million, twenty-nine thousand, three hundred nineteen".