20114520 has 32 divisors (see below), whose sum is σ = 60343920. Its totient is φ = 5363840.

The previous prime is 20114491. The next prime is 20114527. The reversal of 20114520 is 2541102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20114520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83691 + ... + 83930.

Almost surely, 2^20114520 is an apocalyptic number.

20114520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20114520 is an abundant number, since it is smaller than the sum of its proper divisors (40229400).

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

20114520 is a wasteful number, since it uses less digits than its factorization.

20114520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167635 (or 167631 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20114520 is about 4484.9214039936. The cubic root of 20114520 is about 271.9588677710.

Adding to 20114520 its reverse (2541102), we get a palindrome (22655622).

The spelling of 20114520 in words is "twenty million, one hundred fourteen thousand, five hundred twenty".