20100210000 has 200 divisors, whose sum is σ = 69878756640. Its totient is φ = 4947648000.

The previous prime is 20100209977. The next prime is 20100210023. The reversal of 20100210000 is 1200102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100209977) and next prime (20100210023).

It is a tau number, because it is divible by the number of its divisors (200).

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 364231 + ... + 415769.

Almost surely, 2^20100210000 is an apocalyptic number.

20100210000 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 20100210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34939378320).

20100210000 is an abundant number, since it is smaller than the sum of its proper divisors (49778546640).

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

20100210000 is a wasteful number, since it uses less digits than its factorization.

20100210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51583 (or 51562 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20100210000 its reverse (1200102), we get a palindrome (20101410102).

The spelling of 20100210000 in words is "twenty billion, one hundred million, two hundred ten thousand".