20216362 has 16 divisors (see below), whose sum is σ = 31384584. Its totient is φ = 9760000.

The previous prime is 20216359. The next prime is 20216369. The reversal of 20216362 is 26361202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13461561 + 6754801 = 3669^2 + 2599^2 .

It is not an unprimeable number, because it can be changed into a prime (20216369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 9502.

Almost surely, 2^20216362 is an apocalyptic number.

20216362 is a deficient number, since it is larger than the sum of its proper divisors (11168222).

20216362 is a wasteful number, since it uses less digits than its factorization.

20216362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20216362 is about 4496.2608910071. The cubic root of 20216362 is about 272.4170810754.

Adding to 20216362 its reverse (26361202), we get a palindrome (46577564).

It can be divided in two parts, 202 and 16362, that multiplied together give a square (3305124 = 1818²).

The spelling of 20216362 in words is "twenty million, two hundred sixteen thousand, three hundred sixty-two".