10001231023020 has 48 divisors (see below), whose sum is σ = 28175247179520. Its totient is φ = 2650633004736.

The previous prime is 10001231023013. The next prime is 10001231023081. The reversal of 10001231023020 is 2032013210001.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 511300600 + ... + 511320159.

It is an arithmetic number, because the mean of its divisors is an integer number (586984316240).

Almost surely, 2^{10001231023020} is an apocalyptic number.

10001231023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001231023020 is an abundant number, since it is smaller than the sum of its proper divisors (18174016156500).

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

10001231023020 is a wasteful number, since it uses less digits than its factorization.

10001231023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022620934 (or 1022620932 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10001231023020 its reverse (2032013210001), we get a palindrome (12033244233021).

The spelling of 10001231023020 in words is "ten trillion, one billion, two hundred thirty-one million, twenty-three thousand, twenty".