20084406 has 16 divisors (see below), whose sum is σ = 42283200. Its totient is φ = 6342408.

The previous prime is 20084401. The next prime is 20084411. The reversal of 20084406 is 60448002.

It is an interprime number because it is at equal distance from previous prime (20084401) and next prime (20084411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084401) 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, 87976 + ... + 88203.

It is an arithmetic number, because the mean of its divisors is an integer number (2642700).

Almost surely, 2^20084406 is an apocalyptic number.

20084406 is an abundant number, since it is smaller than the sum of its proper divisors (22198794).

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

20084406 is a wasteful number, since it uses less digits than its factorization.

20084406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176203.

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

The square root of 20084406 is about 4481.5628970260. The cubic root of 20084406 is about 271.8230809565.

The spelling of 20084406 in words is "twenty million, eighty-four thousand, four hundred six".