20433483 has 12 divisors (see below), whose sum is σ = 33731568. Its totient is φ = 11676240.

The previous prime is 20433481. The next prime is 20433533. The reversal of 20433483 is 38433402.

It is not a de Polignac number, because 20433483 - 2¹ = 20433481 is a prime.

It is a super-2 number, since 2×20433483² = 835054455022578, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20433481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162108 + ... + 162233.

It is an arithmetic number, because the mean of its divisors is an integer number (2810964).

Almost surely, 2^20433483 is an apocalyptic number.

20433483 is a deficient number, since it is larger than the sum of its proper divisors (13298085).

20433483 is a wasteful number, since it uses less digits than its factorization.

20433483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324354 (or 324351 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 20433483 is about 4520.3410269580. The cubic root of 20433483 is about 273.3888513376.

Adding to 20433483 its reverse (38433402), we get a palindrome (58866885).

The spelling of 20433483 in words is "twenty million, four hundred thirty-three thousand, four hundred eighty-three".