10120021022020 has 96 divisors (see below), whose sum is σ = 26316831276288. Its totient is φ = 3183170545152.

The previous prime is 10120021022017. The next prime is 10120021022021. The reversal of 10120021022020 is 2022012002101.

It is a happy number.

It is a super-2 number, since 2×10120021022020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10120021022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16759939 + ... + 17353258.

It is an arithmetic number, because the mean of its divisors is an integer number (274133659128).

Almost surely, 2^{10120021022020} is an apocalyptic number.

10120021022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120021022020 is an abundant number, since it is smaller than the sum of its proper divisors (16196810254268).

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

10120021022020 is a wasteful number, since it uses less digits than its factorization.

10120021022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34113389 (or 34113387 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10120021022020 its reverse (2022012002101), we get a palindrome (12142033024121).

The spelling of 10120021022020 in words is "ten trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, twenty".