20235016 has 16 divisors (see below), whose sum is σ = 38461500. Its totient is φ = 9978624.

The previous prime is 20235013. The next prime is 20235031. The reversal of 20235016 is 61053202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19838116 + 396900 = 4454^2 + 630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20234984 and 20235002.

It is not an unprimeable number, because it can be changed into a prime (20235013) 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, 16741 + ... + 17908.

Almost surely, 2^20235016 is an apocalyptic number.

It is an amenable number.

20235016 is a deficient number, since it is larger than the sum of its proper divisors (18226484).

20235016 is a wasteful number, since it uses less digits than its factorization.

20235016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34728 (or 34724 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20235016 is about 4498.3348030132. The cubic root of 20235016 is about 272.5008433607.

Adding to 20235016 its reverse (61053202), we get a palindrome (81288218).

The spelling of 20235016 in words is "twenty million, two hundred thirty-five thousand, sixteen".