10023312211220 has 96 divisors (see below), whose sum is σ = 27786551143680. Its totient is φ = 2940375767040.

The previous prime is 10023312211207. The next prime is 10023312211223. The reversal of 10023312211220 is 2211221332001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10023312211192 and 10023312211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023312211223) 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, 191404535 + ... + 191456894.

It is an arithmetic number, because the mean of its divisors is an integer number (289443241080).

Almost surely, 2^{10023312211220} is an apocalyptic number.

10023312211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023312211220 is an abundant number, since it is smaller than the sum of its proper divisors (17763238932460).

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

10023312211220 is a wasteful number, since it uses less digits than its factorization.

10023312211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382861473 (or 382861471 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10023312211220 its reverse (2211221332001), we get a palindrome (12234533543221).

The spelling of 10023312211220 in words is "ten trillion, twenty-three billion, three hundred twelve million, two hundred eleven thousand, two hundred twenty".