20200101210 has 96 divisors (see below), whose sum is σ = 55046459520. Its totient is φ = 5129672064.

The previous prime is 20200101193. The next prime is 20200101211. The reversal of 20200101210 is 1210100202.

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 = 20200101192 and 20200101201.

It is not an unprimeable number, because it can be changed into a prime (20200101211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448396 + ... + 491384.

It is an arithmetic number, because the mean of its divisors is an integer number (573400620).

Almost surely, 2^20200101210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200101210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27523229760).

20200101210 is an abundant number, since it is smaller than the sum of its proper divisors (34846358310).

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

20200101210 is a wasteful number, since it uses less digits than its factorization.

20200101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43252 (or 43249 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20200101210 its reverse (1210100202), we get a palindrome (21410201412).

The spelling of 20200101210 in words is "twenty billion, two hundred million, one hundred one thousand, two hundred ten".