101003220020 has 24 divisors (see below), whose sum is σ = 212240818944. Its totient is φ = 40375753376.

The previous prime is 101003219971. The next prime is 101003220023. The reversal of 101003220020 is 20022300101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101003219983 and 101003220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101003220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563464 + ... + 1626783.

It is an arithmetic number, because the mean of its divisors is an integer number (8843367456).

Almost surely, 2^101003220020 is an apocalyptic number.

101003220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101003220020 is an abundant number, since it is smaller than the sum of its proper divisors (111237598924).

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

101003220020 is a wasteful number, since it uses less digits than its factorization.

101003220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191839 (or 3191837 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 101003220020 its reverse (20022300101), we get a palindrome (121025520121).

The spelling of 101003220020 in words is "one hundred one billion, three million, two hundred twenty thousand, twenty".