10000012220020 has 48 divisors (see below), whose sum is σ = 21273615760320. Its totient is φ = 3947985812736.

The previous prime is 10000012219979. The next prime is 10000012220087. The reversal of 10000012220020 is 2002221000001.

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 = 10000012219979 and 10000012220006.

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, 1201050 + ... + 4630609.

It is an arithmetic number, because the mean of its divisors is an integer number (443200328340).

Almost surely, 2^{10000012220020} is an apocalyptic number.

10000012220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000012220020 is an abundant number, since it is smaller than the sum of its proper divisors (11273603540300).

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

10000012220020 is a wasteful number, since it uses less digits than its factorization.

10000012220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832784 (or 5832782 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10000012220020 its reverse (2002221000001), we get a palindrome (12002233220021).

The spelling of 10000012220020 in words is "ten trillion, twelve million, two hundred twenty thousand, twenty".