20162436 has 48 divisors (see below), whose sum is σ = 54921216. Its totient is φ = 5637024.

The previous prime is 20162413. The next prime is 20162437. The reversal of 20162436 is 63426102.

It is not an unprimeable number, because it can be changed into a prime (20162437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (1144192).

Almost surely, 2^20162436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20162436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27460608).

20162436 is an abundant number, since it is smaller than the sum of its proper divisors (34758780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20162436 is a wasteful number, since it uses less digits than its factorization.

20162436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168 (or 5166 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20162436 is about 4490.2601260951. The cubic root of 20162436 is about 272.1746463450.

Adding to 20162436 its reverse (63426102), we get a palindrome (83588538).

The spelling of 20162436 in words is "twenty million, one hundred sixty-two thousand, four hundred thirty-six".