20102010111120 has 160 divisors (see below), whose sum is σ = 71221883793408. Its totient is φ = 4594530092544.

The previous prime is 20102010111067. The next prime is 20102010111121. The reversal of 20102010111120 is 2111101020102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20102010111096 and 20102010111105.

It is not an unprimeable number, because it can be changed into a prime (20102010111121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37106037 + ... + 37643883.

Almost surely, 2^{20102010111120} is an apocalyptic number.

20102010111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102010111120 is an abundant number, since it is smaller than the sum of its proper divisors (51119873682288).

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

20102010111120 is a wasteful number, since it uses less digits than its factorization.

20102010111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560117 (or 560111 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102010111120 its reverse (2111101020102), we get a palindrome (22213111131222).

The spelling of 20102010111120 in words is "twenty trillion, one hundred two billion, ten million, one hundred eleven thousand, one hundred twenty".