20604202 has 8 divisors (see below), whose sum is σ = 31212612. Its totient is φ = 10200000.

The previous prime is 20604197. The next prime is 20604203. The reversal of 20604202 is 20240602.

It can be written as a sum of positive squares in 2 ways, for example, as 20602521 + 1681 = 4539^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20604203) 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, 50799 + ... + 51202.

Almost surely, 2^20604202 is an apocalyptic number.

20604202 is a deficient number, since it is larger than the sum of its proper divisors (10608410).

20604202 is a wasteful number, since it uses less digits than its factorization.

20604202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102104.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20604202 is about 4539.1851691686. The cubic root of 20604202 is about 274.1481164124.

Adding to 20604202 its reverse (20240602), we get a palindrome (40844804).

The spelling of 20604202 in words is "twenty million, six hundred four thousand, two hundred two".