20001000030 has 64 divisors (see below), whose sum is σ = 52379813376. Its totient is φ = 4847472000.

The previous prime is 20001000013. The next prime is 20001000049. The reversal of 20001000030 is 3000010002.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20000999982 and 20001000018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2263020 + ... + 2271840.

It is an arithmetic number, because the mean of its divisors is an integer number (818434584).

Almost surely, 2^20001000030 is an apocalyptic number.

20001000030 is an abundant number, since it is smaller than the sum of its proper divisors (32378813346).

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

20001000030 is a wasteful number, since it uses less digits than its factorization.

20001000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713.

The product of its (nonzero) digits is 6, while the sum is 6.

Adding to 20001000030 its reverse (3000010002), we get a palindrome (23001010032).

The spelling of 20001000030 in words is "twenty billion, one million, thirty", and thus it is an aban number and an uban number.