101100010020020 has 96 divisors (see below), whose sum is σ = 234153048519936. Its totient is φ = 36361025280000.

The previous prime is 101100010019989. The next prime is 101100010020047. The reversal of 101100010020020 is 20020010001101.

It is a congruent number.

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, 15261020 + ... + 20859020.

It is an arithmetic number, because the mean of its divisors is an integer number (2439094255416).

Almost surely, 2^{101100010020020} is an apocalyptic number.

101100010020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101100010020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117076524259968).

101100010020020 is an abundant number, since it is smaller than the sum of its proper divisors (133053038499916).

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

101100010020020 is a wasteful number, since it uses less digits than its factorization.

101100010020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598921 (or 5598919 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101100010020020 its reverse (20020010001101), we get a palindrome (121120020021121).

The spelling of 101100010020020 in words is "one hundred one trillion, one hundred billion, ten million, twenty thousand, twenty".