20363019 has 8 divisors (see below), whose sum is σ = 27813072. Its totient is φ = 13244160.

The previous prime is 20363011. The next prime is 20363023. The reversal of 20363019 is 91036302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20363019 - 2³ = 20363011 is a prime.

It is a super-2 number, since 2×20363019² = 829305085588722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20363019.

It is not an unprimeable number, because it can be changed into a prime (20363011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82654 + ... + 82899.

It is an arithmetic number, because the mean of its divisors is an integer number (3476634).

Almost surely, 2^20363019 is an apocalyptic number.

20363019 is a deficient number, since it is larger than the sum of its proper divisors (7450053).

20363019 is a wasteful number, since it uses less digits than its factorization.

20363019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165597.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 20363019 is about 4512.5401937268. The cubic root of 20363019 is about 273.0742327885.

The spelling of 20363019 in words is "twenty million, three hundred sixty-three thousand, nineteen".