20000202012 has 108 divisors (see below), whose sum is σ = 59240104560. Its totient is φ = 5672564352.

The previous prime is 20000201993. The next prime is 20000202049. The reversal of 20000202012 is 21020200002.

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 = 20000201985 and 20000202003.

It is a congruent number.

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, 200289 + ... + 283047.

Almost surely, 2^20000202012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29620052280).

20000202012 is an abundant number, since it is smaller than the sum of its proper divisors (39239902548).

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

20000202012 is a wasteful number, since it uses less digits than its factorization.

20000202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82920 (or 82908 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000202012 its reverse (21020200002), we get a palindrome (41020402014).

The spelling of 20000202012 in words is "twenty billion, two hundred two thousand, twelve".