10100011220020 has 24 divisors (see below), whose sum is σ = 22457672007624. Its totient is φ = 3802357165056.

The previous prime is 10100011219951. The next prime is 10100011220021. The reversal of 10100011220020 is 2002211000101.

It can be written as a sum of positive squares in 4 ways, for example, as 5738688549136 + 4361322670884 = 2395556^2 + 2088378^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10100011219979 and 10100011220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100011220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14852957337 + ... + 14852958016.

It is an arithmetic number, because the mean of its divisors is an integer number (935736333651).

Almost surely, 2^{10100011220020} is an apocalyptic number.

10100011220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100011220020 is an abundant number, since it is smaller than the sum of its proper divisors (12357660787604).

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

10100011220020 is a wasteful number, since it uses less digits than its factorization.

10100011220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29705915379 (or 29705915377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10100011220020 its reverse (2002211000101), we get a palindrome (12102222220121).

The spelling of 10100011220020 in words is "ten trillion, one hundred billion, eleven million, two hundred twenty thousand, twenty".