20100223021120 has 112 divisors (see below), whose sum is σ = 52731877646016. Its totient is φ = 7236803840000.

The previous prime is 20100223021103. The next prime is 20100223021141. The reversal of 20100223021120 is 2112032200102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20100223021094 and 20100223021103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27913246 + ... + 28624285.

Almost surely, 2^{20100223021120} is an apocalyptic number.

20100223021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100223021120 is an abundant number, since it is smaller than the sum of its proper divisors (32631654624896).

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

20100223021120 is a wasteful number, since it uses less digits than its factorization.

20100223021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537660 (or 56537650 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20100223021120 its reverse (2112032200102), we get a palindrome (22212255221222).

The spelling of 20100223021120 in words is "twenty trillion, one hundred billion, two hundred twenty-three million, twenty-one thousand, one hundred twenty".