20597054 has 4 divisors (see below), whose sum is σ = 30895584. Its totient is φ = 10298526.

The previous prime is 20597041. The next prime is 20597069. The reversal of 20597054 is 45079502.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20597054.

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, 5149262 + ... + 5149265.

It is an arithmetic number, because the mean of its divisors is an integer number (7723896).

Almost surely, 2^20597054 is an apocalyptic number.

20597054 is a deficient number, since it is larger than the sum of its proper divisors (10298530).

20597054 is a wasteful number, since it uses less digits than its factorization.

20597054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298529.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 20597054 is about 4538.3977348840. The cubic root of 20597054 is about 274.1164103007.

The spelling of 20597054 in words is "twenty million, five hundred ninety-seven thousand, fifty-four".