20201101443020 has 24 divisors (see below), whose sum is σ = 42556137375024. Its totient is φ = 8054950225856.

The previous prime is 20201101442939. The next prime is 20201101443031. The reversal of 20201101443020 is 2034410110202.

It is a super-2 number, since 2×20201101443020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20201101442983 and 20201101443001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593140462 + ... + 1593153141.

It is an arithmetic number, because the mean of its divisors is an integer number (1773172390626).

Almost surely, 2^{20201101443020} is an apocalyptic number.

20201101443020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201101443020 is an abundant number, since it is smaller than the sum of its proper divisors (22355035932004).

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

20201101443020 is a wasteful number, since it uses less digits than its factorization.

20201101443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186293929 (or 3186293927 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20201101443020 its reverse (2034410110202), we get a palindrome (22235511553222).

The spelling of 20201101443020 in words is "twenty trillion, two hundred one billion, one hundred one million, four hundred forty-three thousand, twenty".