20068534 has 8 divisors (see below), whose sum is σ = 31873608. Its totient is φ = 9444000.

The previous prime is 20068513. The next prime is 20068549. The reversal of 20068534 is 43586002.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295092 + ... + 295159.

It is an arithmetic number, because the mean of its divisors is an integer number (3984201).

Almost surely, 2^20068534 is an apocalyptic number.

20068534 is a deficient number, since it is larger than the sum of its proper divisors (11805074).

20068534 is a wasteful number, since it uses less digits than its factorization.

20068534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590270.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20068534 is about 4479.7917362306. The cubic root of 20068534 is about 271.7514580111.

It can be divided in two parts, 20068 and 534, that added together give a palindrome (20602).

The spelling of 20068534 in words is "twenty million, sixty-eight thousand, five hundred thirty-four".