20062530 has 48 divisors (see below), whose sum is σ = 53444664. Its totient is φ = 5218560.

The previous prime is 20062507. The next prime is 20062531. The reversal of 20062530 is 3526002.

It can be written as a sum of positive squares in 4 ways, for example, as 11471769 + 8590761 = 3387^2 + 2931^2 .

It is a super-2 number, since 2×20062530² = 805010220001800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20062531) 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, 972 + ... + 6408.

Almost surely, 2^20062530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20062530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26722332).

20062530 is an abundant number, since it is smaller than the sum of its proper divisors (33382134).

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

20062530 is a wasteful number, since it uses less digits than its factorization.

20062530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20062530 is about 4479.1215656644. The cubic root of 20062530 is about 271.7243549105.

Adding to 20062530 its reverse (3526002), we get a palindrome (23588532).

The spelling of 20062530 in words is "twenty million, sixty-two thousand, five hundred thirty".