1000020220110 has 64 divisors (see below), whose sum is σ = 2823586516800. Its totient is φ = 250985465856.

The previous prime is 1000020220103. The next prime is 1000020220123. The reversal of 1000020220110 is 110220200001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000020220092 and 1000020220101.

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, 108930075 + ... + 108939254.

It is an arithmetic number, because the mean of its divisors is an integer number (44118539325).

Almost surely, 2^{1000020220110} is an apocalyptic number.

1000020220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000020220110 is an abundant number, since it is smaller than the sum of its proper divisors (1823566296690).

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

1000020220110 is a wasteful number, since it uses less digits than its factorization.

1000020220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217869362 (or 217869356 counting only the distinct ones).

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

Adding to 1000020220110 its reverse (110220200001), we get a palindrome (1110240420111).

The spelling of 1000020220110 in words is "one trillion, twenty million, two hundred twenty thousand, one hundred ten".