20010000212 has 12 divisors (see below), whose sum is σ = 37077353460. Its totient is φ = 9416470656.

The previous prime is 20010000191. The next prime is 20010000247. The reversal of 20010000212 is 21200001002.

It can be written as a sum of positive squares in 2 ways, for example, as 17733183556 + 2276816656 = 133166^2 + 47716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20010000212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147132287 + ... + 147132422.

It is an arithmetic number, because the mean of its divisors is an integer number (3089779455).

Almost surely, 2^20010000212 is an apocalyptic number.

It is an amenable number.

20010000212 is a deficient number, since it is larger than the sum of its proper divisors (17067353248).

20010000212 is a wasteful number, since it uses less digits than its factorization.

20010000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294264730 (or 294264728 counting only the distinct ones).

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

Adding to 20010000212 its reverse (21200001002), we get a palindrome (41210001214).

The spelling of 20010000212 in words is "twenty billion, ten million, two hundred twelve", and thus it is an aban number.