1010002220020 has 48 divisors (see below), whose sum is σ = 2233595427840. Its totient is φ = 382573293696.

The previous prime is 1010002219991. The next prime is 1010002220047. The reversal of 1010002220020 is 200222000101.

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 = 1010002219979 and 1010002220006.

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, 316909 + ... + 1456171.

It is an arithmetic number, because the mean of its divisors is an integer number (46533238080).

Almost surely, 2^{1010002220020} is an apocalyptic number.

1010002220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010002220020 is an abundant number, since it is smaller than the sum of its proper divisors (1223593207820).

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

1010002220020 is a wasteful number, since it uses less digits than its factorization.

1010002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141624 (or 1141622 counting only the distinct ones).

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

Adding to 1010002220020 its reverse (200222000101), we get a palindrome (1210224220121).

The spelling of 1010002220020 in words is "one trillion, ten billion, two million, two hundred twenty thousand, twenty".