20084955 has 16 divisors (see below), whose sum is σ = 35057664. Its totient is φ = 9738080.

The previous prime is 20084951. The next prime is 20084971. The reversal of 20084955 is 55948002.

It is not a de Polignac number, because 20084955 - 2² = 20084951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20084951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60699 + ... + 61028.

It is an arithmetic number, because the mean of its divisors is an integer number (2191104).

Almost surely, 2^20084955 is an apocalyptic number.

20084955 is a deficient number, since it is larger than the sum of its proper divisors (14972709).

20084955 is a wasteful number, since it uses less digits than its factorization.

20084955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121746.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 20084955 is about 4481.6241475608. The cubic root of 20084955 is about 271.8255576626.

The spelling of 20084955 in words is "twenty million, eighty-four thousand, nine hundred fifty-five".