20002013012 has 6 divisors (see below), whose sum is σ = 35003522778. Its totient is φ = 10001006504.

The previous prime is 20002012993. The next prime is 20002013027. The reversal of 20002013012 is 21031020002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19242128656 + 759884356 = 138716^2 + 27566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20002012984 and 20002013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500251623 + ... + 2500251630.

It is an arithmetic number, because the mean of its divisors is an integer number (5833920463).

Almost surely, 2^20002013012 is an apocalyptic number.

It is an amenable number.

20002013012 is a deficient number, since it is larger than the sum of its proper divisors (15001509766).

20002013012 is a wasteful number, since it uses less digits than its factorization.

20002013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000503257 (or 5000503255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20002013012 its reverse (21031020002), we get a palindrome (41033033014).

The spelling of 20002013012 in words is "twenty billion, two million, thirteen thousand, twelve".