20434054 has 8 divisors (see below), whose sum is σ = 30677688. Its totient is φ = 10208160.

The previous prime is 20433989. The next prime is 20434069. The reversal of 20434054 is 45043402.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 1032 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (3834711).

Almost surely, 2^20434054 is an apocalyptic number.

20434054 is a deficient number, since it is larger than the sum of its proper divisors (10243634).

20434054 is a wasteful number, since it uses less digits than its factorization.

20434054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 20434054 is about 4520.4041854684. The cubic root of 20434054 is about 273.3913978700.

Adding to 20434054 its reverse (45043402), we get a palindrome (65477456).

The spelling of 20434054 in words is "twenty million, four hundred thirty-four thousand, fifty-four".