20086200420 has 192 divisors, whose sum is σ = 67611608064. Its totient is φ = 4390202880.

The previous prime is 20086200413. The next prime is 20086200427. The reversal of 20086200420 is 2400268002.

It is an interprime number because it is at equal distance from previous prime (20086200413) and next prime (20086200427).

It is not an unprimeable number, because it can be changed into a prime (20086200427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341719 + ... + 396161.

It is an arithmetic number, because the mean of its divisors is an integer number (352143792).

Almost surely, 2^20086200420 is an apocalyptic number.

20086200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20086200420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33805804032).

20086200420 is an abundant number, since it is smaller than the sum of its proper divisors (47525407644).

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

20086200420 is a wasteful number, since it uses less digits than its factorization.

20086200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54522 (or 54520 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20086200420 its reverse (2400268002), we get a palindrome (22486468422).

The spelling of 20086200420 in words is "twenty billion, eighty-six million, two hundred thousand, four hundred twenty".