20022220021210 has 64 divisors (see below), whose sum is σ = 41132885114880. Its totient is φ = 6946066684480.

The previous prime is 20022220021201. The next prime is 20022220021211. The reversal of 20022220021210 is 1212002222002.

It is not an unprimeable number, because it can be changed into a prime (20022220021211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9362500 + ... + 11300479.

It is an arithmetic number, because the mean of its divisors is an integer number (642701329920).

Almost surely, 2^{20022220021210} is an apocalyptic number.

20022220021210 is an abundant number, since it is smaller than the sum of its proper divisors (21110665093670).

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

20022220021210 is a wasteful number, since it uses less digits than its factorization.

20022220021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663403.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022220021210 its reverse (1212002222002), we get a palindrome (21234222243212).

The spelling of 20022220021210 in words is "twenty trillion, twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred ten".