20034288 has 90 divisors (see below), whose sum is σ = 58834776. Its totient is φ = 6363456.

The previous prime is 20034271. The next prime is 20034293. The reversal of 20034288 is 88243002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76045 + ... + 76307.

Almost surely, 2^20034288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20034288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29417388).

20034288 is an abundant number, since it is smaller than the sum of its proper divisors (38800488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20034288 is a wasteful number, since it uses less digits than its factorization.

20034288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20034288 is about 4475.9678283026. The cubic root of 20034288 is about 271.5967930167.

The spelling of 20034288 in words is "twenty million, thirty-four thousand, two hundred eighty-eight".