20022120202 has 24 divisors (see below), whose sum is σ = 36141270660. Its totient is φ = 8285014080.

The previous prime is 20022120169. The next prime is 20022120221. The reversal of 20022120202 is 20202122002.

It can be written as a sum of positive squares in 2 ways, for example, as 19527547081 + 494573121 = 139741^2 + 22239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3519699 + ... + 3525382.

Almost surely, 2^20022120202 is an apocalyptic number.

20022120202 is a deficient number, since it is larger than the sum of its proper divisors (16119150458).

20022120202 is a wasteful number, since it uses less digits than its factorization.

20022120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045126 (or 7045119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022120202 its reverse (20202122002), we get a palindrome (40224242204).

The spelling of 20022120202 in words is "twenty billion, twenty-two million, one hundred twenty thousand, two hundred two".