20200212102 has 128 divisors (see below), whose sum is σ = 50391475200. Its totient is φ = 5267275776.

The previous prime is 20200211947. The next prime is 20200212127. The reversal of 20200212102 is 20121200202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15573918 + ... + 15575214.

It is an arithmetic number, because the mean of its divisors is an integer number (393683400).

Almost surely, 2^20200212102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200212102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25195737600).

20200212102 is an abundant number, since it is smaller than the sum of its proper divisors (30191263098).

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

20200212102 is a wasteful number, since it uses less digits than its factorization.

20200212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200212102 its reverse (20121200202), we get a palindrome (40321412304).

The spelling of 20200212102 in words is "twenty billion, two hundred million, two hundred twelve thousand, one hundred two".