212020000002 has 36 divisors (see below), whose sum is σ = 487988374146. Its totient is φ = 66516076800.

The previous prime is 212019999979. The next prime is 212020000037. The reversal of 212020000002 is 200000020212.

It can be written as a sum of positive squares in 3 ways, for example, as 210579114321 + 1440885681 = 458889^2 + 37959^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20373499 + ... + 20383902.

Almost surely, 2^212020000002 is an apocalyptic number.

212020000002 is an abundant number, since it is smaller than the sum of its proper divisors (275968374144).

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

212020000002 is a wasteful number, since it uses less digits than its factorization.

212020000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40757443 (or 40757423 counting only the distinct ones).

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

Adding to 212020000002 its reverse (200000020212), we get a palindrome (412020020214).

The spelling of 212020000002 in words is "two hundred twelve billion, twenty million, two", and thus it is an aban number.