20022101220004 has 36 divisors (see below), whose sum is σ = 37947473657856. Its totient is φ = 9239463568608.

The previous prime is 20022101219957. The next prime is 20022101220029. The reversal of 20022101220004 is 40002210122002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022101220004.

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, 1741917 + ... + 6563419.

It is an arithmetic number, because the mean of its divisors is an integer number (1054096490496).

Almost surely, 2^{20022101220004} is an apocalyptic number.

It is an amenable number.

20022101220004 is a deficient number, since it is larger than the sum of its proper divisors (17925372437852).

20022101220004 is a wasteful number, since it uses less digits than its factorization.

20022101220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827676 (or 4827661 counting only the distinct ones).

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

Adding to 20022101220004 its reverse (40002210122002), we get a palindrome (60024311342006).

The spelling of 20022101220004 in words is "twenty trillion, twenty-two billion, one hundred one million, two hundred twenty thousand, four".