20302121220122 has 32 divisors (see below), whose sum is σ = 36366792763392. Its totient is φ = 8311160723184.

The previous prime is 20302121220113. The next prime is 20302121220149. The reversal of 20302121220122 is 22102212120302.

It is a super-2 number, since 2×20302121220122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20302121220094 and 20302121220103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43129088 + ... + 43597275.

It is an arithmetic number, because the mean of its divisors is an integer number (1136462273856).

Almost surely, 2^{20302121220122} is an apocalyptic number.

20302121220122 is a deficient number, since it is larger than the sum of its proper divisors (16064671543270).

20302121220122 is a wasteful number, since it uses less digits than its factorization.

20302121220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86727122.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20302121220122 its reverse (22102212120302), we get a palindrome (42404333340424).

The spelling of 20302121220122 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".