20034388 has 24 divisors (see below), whose sum is σ = 39140640. Its totient is φ = 8893920.

The previous prime is 20034373. The next prime is 20034397. The reversal of 20034388 is 88343002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (1630860).

Almost surely, 2^20034388 is an apocalyptic number.

It is an amenable number.

20034388 is a deficient number, since it is larger than the sum of its proper divisors (19106252).

20034388 is a wasteful number, since it uses less digits than its factorization.

20034388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10645 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20034388 is about 4475.9789990571. The cubic root of 20034388 is about 271.5972449025.

The spelling of 20034388 in words is "twenty million, thirty-four thousand, three hundred eighty-eight".