20034693 has 24 divisors (see below), whose sum is σ = 33191808. Its totient is φ = 11407392.

The previous prime is 20034673. The next prime is 20034697. The reversal of 20034693 is 39643002.

It is not a de Polignac number, because 20034693 - 2⁶ = 20034629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30355 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (1382992).

Almost surely, 2^20034693 is an apocalyptic number.

It is an amenable number.

20034693 is a deficient number, since it is larger than the sum of its proper divisors (13157115).

20034693 is a wasteful number, since it uses less digits than its factorization.

20034693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 20034693 is about 4476.0130696860. The cubic root of 20034693 is about 271.5986231451.

Adding to 20034693 its reverse (39643002), we get a palindrome (59677695).

The spelling of 20034693 in words is "twenty million, thirty-four thousand, six hundred ninety-three".