20204862 has 8 divisors (see below), whose sum is σ = 40409736. Its totient is φ = 6734952.

The previous prime is 20204861. The next prime is 20204903. The reversal of 20204862 is 26840202.

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

20204862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683733 + ... + 1683744.

It is an arithmetic number, because the mean of its divisors is an integer number (5051217).

Almost surely, 2^20204862 is an apocalyptic number.

20204862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20204862 is a wasteful number, since it uses less digits than its factorization.

20204862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367482.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20204862 is about 4494.9818687065. The cubic root of 20204862 is about 272.3654168072.

The spelling of 20204862 in words is "twenty million, two hundred four thousand, eight hundred sixty-two".