20204102 has 16 divisors (see below), whose sum is σ = 30780000. Its totient is φ = 9945600.

The previous prime is 20204101. The next prime is 20204113. The reversal of 20204102 is 20140202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204101) 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, 44774 + ... + 45222.

It is an arithmetic number, because the mean of its divisors is an integer number (1923750).

Almost surely, 2^20204102 is an apocalyptic number.

20204102 is a deficient number, since it is larger than the sum of its proper divisors (10575898).

20204102 is a wasteful number, since it uses less digits than its factorization.

20204102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20204102 is about 4494.8973291945. The cubic root of 20204102 is about 272.3620017824.

Adding to 20204102 its reverse (20140202), we get a palindrome (40344304).

The spelling of 20204102 in words is "twenty million, two hundred four thousand, one hundred two".