20201043020 has 12 divisors (see below), whose sum is σ = 42422190384. Its totient is φ = 8080417200.

The previous prime is 20201043013. The next prime is 20201043059. The reversal of 20201043020 is 2034010202.

It is a junction number, because it is equal to n+sod(n) for n = 20201042986 and 20201043004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505026056 + ... + 505026095.

It is an arithmetic number, because the mean of its divisors is an integer number (3535182532).

Almost surely, 2^20201043020 is an apocalyptic number.

20201043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201043020 is an abundant number, since it is smaller than the sum of its proper divisors (22221147364).

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

20201043020 is a wasteful number, since it uses less digits than its factorization.

20201043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010052160 (or 1010052158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20201043020 its reverse (2034010202), we get a palindrome (22235053222).

The spelling of 20201043020 in words is "twenty billion, two hundred one million, forty-three thousand, twenty".