20110323020 has 12 divisors (see below), whose sum is σ = 42231678384. Its totient is φ = 8044129200.

The previous prime is 20110322993. The next prime is 20110323031. The reversal of 20110323020 is 2032301102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20110322986 and 20110323004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502758056 + ... + 502758095.

It is an arithmetic number, because the mean of its divisors is an integer number (3519306532).

Almost surely, 2^20110323020 is an apocalyptic number.

20110323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110323020 is an abundant number, since it is smaller than the sum of its proper divisors (22121355364).

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

20110323020 is a wasteful number, since it uses less digits than its factorization.

20110323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005516160 (or 1005516158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20110323020 its reverse (2032301102), we get a palindrome (22142624122).

The spelling of 20110323020 in words is "twenty billion, one hundred ten million, three hundred twenty-three thousand, twenty".