10011023220 has 48 divisors (see below), whose sum is σ = 30579127488. Its totient is φ = 2426914560.

The previous prime is 10011023159. The next prime is 10011023233. The reversal of 10011023220 is 2232011001.

It is a super-2 number, since 2×10011023220² (a number of 21 digits) contains 22 as substring.

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 = 10011023196 and 10011023205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7583449 + ... + 7584768.

It is an arithmetic number, because the mean of its divisors is an integer number (637065156).

Almost surely, 2^10011023220 is an apocalyptic number.

10011023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011023220 is an abundant number, since it is smaller than the sum of its proper divisors (20568104268).

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

10011023220 is a wasteful number, since it uses less digits than its factorization.

10011023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168240 (or 15168238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10011023220 its reverse (2232011001), we get a palindrome (12243034221).

The spelling of 10011023220 in words is "ten billion, eleven million, twenty-three thousand, two hundred twenty".