20221010212 has 36 divisors (see below), whose sum is σ = 39554328576. Its totient is φ = 9031707360.

The previous prime is 20221010203. The next prime is 20221010219. The reversal of 20221010212 is 21201012202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20221010192 and 20221010201.

It is not an unprimeable number, because it can be changed into a prime (20221010219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461508 + ... + 503419.

Almost surely, 2^20221010212 is an apocalyptic number.

It is an amenable number.

20221010212 is a deficient number, since it is larger than the sum of its proper divisors (19333318364).

20221010212 is a wasteful number, since it uses less digits than its factorization.

20221010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964988 (or 964973 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221010212 its reverse (21201012202), we get a palindrome (41422022414).

The spelling of 20221010212 in words is "twenty billion, two hundred twenty-one million, ten thousand, two hundred twelve".