20022010212 has 12 divisors (see below), whose sum is σ = 46718023856. Its totient is φ = 6674003400.

The previous prime is 20022010189. The next prime is 20022010213. The reversal of 20022010212 is 21201022002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1668500851 = 20022010212 / (2 + 0 + 0 + 2 + 2 + 0 + 1 + 0 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (20022010213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834250414 + ... + 834250437.

Almost surely, 2^20022010212 is an apocalyptic number.

It is an amenable number.

20022010212 is an abundant number, since it is smaller than the sum of its proper divisors (26696013644).

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

20022010212 is a wasteful number, since it uses less digits than its factorization.

20022010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668500858 (or 1668500856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022010212 its reverse (21201022002), we get a palindrome (41223032214).

The spelling of 20022010212 in words is "twenty billion, twenty-two million, ten thousand, two hundred twelve".