20210001200 has 180 divisors, whose sum is σ = 52255182240. Its totient is φ = 7508766720.

The previous prime is 20210001179. The next prime is 20210001221. The reversal of 20210001200 is 210001202.

It is an interprime number because it is at equal distance from previous prime (20210001179) and next prime (20210001221).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9131294 + ... + 9133506.

It is an arithmetic number, because the mean of its divisors is an integer number (290306568).

Almost surely, 2^20210001200 is an apocalyptic number.

20210001200 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 20210001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127591120).

20210001200 is an abundant number, since it is smaller than the sum of its proper divisors (32045181040).

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

20210001200 is a wasteful number, since it uses less digits than its factorization.

20210001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20210001200 its reverse (210001202), we get a palindrome (20420002402).

The spelling of 20210001200 in words is "twenty billion, two hundred ten million, one thousand, two hundred".