20022121110 has 64 divisors (see below), whose sum is σ = 51839808192. Its totient is φ = 4930338816.

The previous prime is 20022121103. The next prime is 20022121121. The reversal of 20022121110 is 1112122002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343339 + ... + 397398.

It is an arithmetic number, because the mean of its divisors is an integer number (809997003).

Almost surely, 2^20022121110 is an apocalyptic number.

20022121110 is an abundant number, since it is smaller than the sum of its proper divisors (31817687082).

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

20022121110 is a wasteful number, since it uses less digits than its factorization.

20022121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740817.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20022121110 its reverse (1112122002), we get a palindrome (21134243112).

The spelling of 20022121110 in words is "twenty billion, twenty-two million, one hundred twenty-one thousand, one hundred ten".