20002011012 has 36 divisors (see below), whose sum is σ = 50870841840. Its totient is φ = 6626431152.

The previous prime is 20002010989. The next prime is 20002011067. The reversal of 20002011012 is 21011020002.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 20002010985 and 20002011003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1698462 + ... + 1710197.

It is an arithmetic number, because the mean of its divisors is an integer number (1413078940).

Almost surely, 2^20002011012 is an apocalyptic number.

It is an amenable number.

20002011012 is an abundant number, since it is smaller than the sum of its proper divisors (30868830828).

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

20002011012 is a wasteful number, since it uses less digits than its factorization.

20002011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408832 (or 3408827 counting only the distinct ones).

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

Adding to 20002011012 its reverse (21011020002), we get a palindrome (41013031014).

The spelling of 20002011012 in words is "twenty billion, two million, eleven thousand, twelve".