20010220110 has 96 divisors (see below), whose sum is σ = 56160786240. Its totient is φ = 4928039424.

The previous prime is 20010220103. The next prime is 20010220123. The reversal of 20010220110 is 1102201002.

It is a Harshad number since it is a multiple of its sum of digits (9).

20010220110 is a modest number, since divided by 220110 gives 20010 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20010220092 and 20010220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106639 + ... + 226698.

It is an arithmetic number, because the mean of its divisors is an integer number (585008190).

Almost surely, 2^20010220110 is an apocalyptic number.

20010220110 is an abundant number, since it is smaller than the sum of its proper divisors (36150566130).

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

20010220110 is a wasteful number, since it uses less digits than its factorization.

20010220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333402 (or 333399 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010220110 its reverse (1102201002), we get a palindrome (21112421112).

The spelling of 20010220110 in words is "twenty billion, ten million, two hundred twenty thousand, one hundred ten".