20210033000 has 128 divisors (see below), whose sum is σ = 47886901920. Its totient is φ = 7983001600.

The previous prime is 20210032963. The next prime is 20210033029. The reversal of 20210033000 is 33001202.

It can be written as a sum of positive squares in 16 ways, for example, as 3160463524 + 17049569476 = 56218^2 + 130574^2 .

It is a super-2 number, since 2×20210033000² (a number of 21 digits) contains 22 as substring.

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, 34080704 + ... + 34081296.

Almost surely, 2^20210033000 is an apocalyptic number.

20210033000 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 20210033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23943450960).

20210033000 is an abundant number, since it is smaller than the sum of its proper divisors (27676868920).

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

20210033000 is a wasteful number, since it uses less digits than its factorization.

20210033000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20210033000 its reverse (33001202), we get a palindrome (20243034202).

The spelling of 20210033000 in words is "twenty billion, two hundred ten million, thirty-three thousand".