20014534 has 4 divisors (see below), whose sum is σ = 30021804. Its totient is φ = 10007266.

The previous prime is 20014529. The next prime is 20014567. The reversal of 20014534 is 43541002.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 5003632 + ... + 5003635.

It is an arithmetic number, because the mean of its divisors is an integer number (7505451).

Almost surely, 2^20014534 is an apocalyptic number.

20014534 is a deficient number, since it is larger than the sum of its proper divisors (10007270).

20014534 is a wasteful number, since it uses less digits than its factorization.

20014534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007269.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20014534 is about 4473.7606104931. The cubic root of 20014534 is about 271.5074979813.

Adding to 20014534 its reverse (43541002), we get a palindrome (63555536).

The spelling of 20014534 in words is "twenty million, fourteen thousand, five hundred thirty-four".