20002914 has 48 divisors (see below), whose sum is σ = 46332000. Its totient is φ = 6215040.

The previous prime is 20002907. The next prime is 20002919. The reversal of 20002914 is 41920002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20002919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39837 + ... + 40335.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^20002914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23166000).

20002914 is an abundant number, since it is smaller than the sum of its proper divisors (26329086).

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

20002914 is a wasteful number, since it uses less digits than its factorization.

20002914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20002914 is about 4472.4617382377. The cubic root of 20002914 is about 271.4549440408.

Adding to 20002914 its reverse (41920002), we get a palindrome (61922916).

The spelling of 20002914 in words is "twenty million, two thousand, nine hundred fourteen".