2020010100020 has 48 divisors (see below), whose sum is σ = 4628263062528. Its totient is φ = 734453324160.

The previous prime is 2020010100011. The next prime is 2020010100023. The reversal of 2020010100020 is 200010100202.

It is a junction number, because it is equal to n+sod(n) for n = 2020010099980 and 2020010100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020010100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102829 + ... + 2292651.

It is an arithmetic number, because the mean of its divisors is an integer number (96422147136).

Almost surely, 2^{2020010100020} is an apocalyptic number.

2020010100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020010100020 is an abundant number, since it is smaller than the sum of its proper divisors (2608252962508).

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

2020010100020 is a wasteful number, since it uses less digits than its factorization.

2020010100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197560 (or 1197558 counting only the distinct ones).

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

Adding to 2020010100020 its reverse (200010100202), we get a palindrome (2220020200222).

The spelling of 2020010100020 in words is "two trillion, twenty billion, ten million, one hundred thousand, twenty".