10101543320420 has 96 divisors (see below), whose sum is σ = 21549532032000. Its totient is φ = 3977055166464.

The previous prime is 10101543320369. The next prime is 10101543320441. The reversal of 10101543320420 is 2402334510101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101543320420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453807251 + ... + 453829509.

It is an arithmetic number, because the mean of its divisors is an integer number (224474292000).

Almost surely, 2^{10101543320420} is an apocalyptic number.

10101543320420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101543320420 is an abundant number, since it is smaller than the sum of its proper divisors (11447988711580).

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

10101543320420 is a wasteful number, since it uses less digits than its factorization.

10101543320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23637 (or 23635 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 10101543320420 its reverse (2402334510101), we get a palindrome (12503877830521).

The spelling of 10101543320420 in words is "ten trillion, one hundred one billion, five hundred forty-three million, three hundred twenty thousand, four hundred twenty".