20159054 has 4 divisors (see below), whose sum is σ = 30238584. Its totient is φ = 10079526.

The previous prime is 20159047. The next prime is 20159107. The reversal of 20159054 is 45095102.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 5039762 + ... + 5039765.

It is an arithmetic number, because the mean of its divisors is an integer number (7559646).

Almost surely, 2^20159054 is an apocalyptic number.

20159054 is a deficient number, since it is larger than the sum of its proper divisors (10079530).

20159054 is a wasteful number, since it uses less digits than its factorization.

20159054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079529.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 20159054 is about 4489.8835174200. The cubic root of 20159054 is about 272.1594275139.

The spelling of 20159054 in words is "twenty million, one hundred fifty-nine thousand, fifty-four".