20363432 has 8 divisors (see below), whose sum is σ = 38181450. Its totient is φ = 10181712.

The previous prime is 20363419. The next prime is 20363443. The reversal of 20363432 is 23436302.

It can be written as a sum of positive squares in only one way, i.e., 15100996 + 5262436 = 3886^2 + 2294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20363398 and 20363407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272707 + ... + 1272722.

Almost surely, 2^20363432 is an apocalyptic number.

It is an amenable number.

20363432 is a deficient number, since it is larger than the sum of its proper divisors (17818018).

20363432 is a wasteful number, since it uses less digits than its factorization.

20363432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545435 (or 2545431 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 20363432 is about 4512.5859548600. The cubic root of 20363432 is about 273.0760789276.

Adding to 20363432 its reverse (23436302), we get a palindrome (43799734).

The spelling of 20363432 in words is "twenty million, three hundred sixty-three thousand, four hundred thirty-two".