20262416 has 20 divisors (see below), whose sum is σ = 40613100. Its totient is φ = 9781632.

The previous prime is 20262413. The next prime is 20262433. The reversal of 20262416 is 61426202.

It can be written as a sum of positive squares in 2 ways, for example, as 9634816 + 10627600 = 3104^2 + 3260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20262391 and 20262400.

It is not an unprimeable number, because it can be changed into a prime (20262413) 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, 21371 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (2030655).

Almost surely, 2^20262416 is an apocalyptic number.

It is an amenable number.

20262416 is an abundant number, since it is smaller than the sum of its proper divisors (20350684).

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

20262416 is a wasteful number, since it uses less digits than its factorization.

20262416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43706 (or 43700 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20262416 is about 4501.3793441566. The cubic root of 20262416 is about 272.6237846280.

Adding to 20262416 its reverse (61426202), we get a palindrome (81688618).

The spelling of 20262416 in words is "twenty million, two hundred sixty-two thousand, four hundred sixteen".