20074369 has 12 divisors (see below), whose sum is σ = 23466900. Its totient is φ = 17121888.

The previous prime is 20074367. The next prime is 20074427. The reversal of 20074369 is 96347002.

It can be written as a sum of positive squares in 2 ways, for example, as 18835600 + 1238769 = 4340^2 + 1113^2 .

It is not a de Polignac number, because 20074369 - 2¹ = 20074367 is a prime.

It is a super-2 number, since 2×20074369² = 805960581496322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20074369.

It is not an unprimeable number, because it can be changed into a prime (20074361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10327 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (1955575).

Almost surely, 2^20074369 is an apocalyptic number.

It is an amenable number.

20074369 is a deficient number, since it is larger than the sum of its proper divisors (3392531).

20074369 is a wasteful number, since it uses less digits than its factorization.

20074369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20074369 is about 4480.4429468525. The cubic root of 20074369 is about 271.7777930373. Note that the first 4 decimals are identical.

The spelling of 20074369 in words is "twenty million, seventy-four thousand, three hundred sixty-nine".