20030200020 has 120 divisors (see below), whose sum is σ = 66531775464. Its totient is φ = 5027180544.

The previous prime is 20030199997. The next prime is 20030200031. The reversal of 20030200020 is 2000203002.

It can be written as a sum of positive squares in 4 ways, for example, as 282643344 + 19747556676 = 16812^2 + 140526^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20030199975 and 20030200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 336117 + ... + 391196.

Almost surely, 2^20030200020 is an apocalyptic number.

20030200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030200020 is an abundant number, since it is smaller than the sum of its proper divisors (46501575444).

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

20030200020 is a wasteful number, since it uses less digits than its factorization.

20030200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727351 (or 727340 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20030200020 its reverse (2000203002), we get a palindrome (22030403022).

The spelling of 20030200020 in words is "twenty billion, thirty million, two hundred thousand, twenty".