20203043020 has 24 divisors (see below), whose sum is σ = 42429061584. Its totient is φ = 8080708416.

The previous prime is 20203043017. The next prime is 20203043059. The reversal of 20203043020 is 2034030202.

It is a junction number, because it is equal to n+sod(n) for n = 20203042985 and 20203043003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598719 + ... + 631561.

It is an arithmetic number, because the mean of its divisors is an integer number (1767877566).

Almost surely, 2^20203043020 is an apocalyptic number.

20203043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203043020 is an abundant number, since it is smaller than the sum of its proper divisors (22226018564).

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

20203043020 is a wasteful number, since it uses less digits than its factorization.

20203043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63609 (or 63607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20203043020 its reverse (2034030202), we get a palindrome (22237073222).

The spelling of 20203043020 in words is "twenty billion, two hundred three million, forty-three thousand, twenty".