20242602019 has 4 divisors (see below), whose sum is σ = 20275410744. Its totient is φ = 20209793296.

The previous prime is 20242601999. The next prime is 20242602073. The reversal of 20242602019 is 91020624202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20242602019 - 2¹⁵ = 20242569251 is a prime.

It is a super-2 number, since 2×20242602019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242602089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16403437 + ... + 16404670.

It is an arithmetic number, because the mean of its divisors is an integer number (5068852686).

Almost surely, 2^20242602019 is an apocalyptic number.

20242602019 is a deficient number, since it is larger than the sum of its proper divisors (32808725).

20242602019 is an equidigital number, since it uses as much as digits as its factorization.

20242602019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808724.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 20242602019 in words is "twenty billion, two hundred forty-two million, six hundred two thousand, nineteen".