201924020020 has 24 divisors (see below), whose sum is σ = 424056132864. Its totient is φ = 80766619296.

The previous prime is 201924019967. The next prime is 201924020021. The reversal of 201924020020 is 20020429102.

It is a super-2 number, since 2×201924020020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201924019973 and 201924020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201924020021) by changing a digit.

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, 414409 + ... + 758671.

It is an arithmetic number, because the mean of its divisors is an integer number (17669005536).

Almost surely, 2^201924020020 is an apocalyptic number.

201924020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201924020020 is an abundant number, since it is smaller than the sum of its proper divisors (222132112844).

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

201924020020 is a wasteful number, since it uses less digits than its factorization.

201924020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373599 (or 373597 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201924020020 its reverse (20020429102), we get a palindrome (221944449122).

The spelling of 201924020020 in words is "two hundred one billion, nine hundred twenty-four million, twenty thousand, twenty".