10023121330020 has 144 divisors (see below), whose sum is σ = 32169474704640. Its totient is φ = 2519036817408.

The previous prime is 10023121329853. The next prime is 10023121330037. The reversal of 10023121330020 is 2003312132001.

10023121330020 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 312 + 1 + 330 + 0 + 20 = 666.

It is a super-2 number, since 2×10023121330020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10023121329975 and 10023121330002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6932524 + ... + 8252643.

Almost surely, 2^{10023121330020} is an apocalyptic number.

10023121330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023121330020 is an abundant number, since it is smaller than the sum of its proper divisors (22146353374620).

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

10023121330020 is a wasteful number, since it uses less digits than its factorization.

10023121330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185394 (or 15185389 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10023121330020 its reverse (2003312132001), we get a palindrome (12026433462021).

It can be divided in two parts, 1002312 and 1330020, that added together give a palindrome (2332332).

The spelling of 10023121330020 in words is "ten trillion, twenty-three billion, one hundred twenty-one million, three hundred thirty thousand, twenty".