200242040020 has 48 divisors (see below), whose sum is σ = 459274531968. Its totient is φ = 72729855360.

The previous prime is 200242039981. The next prime is 200242040071. The reversal of 200242040020 is 20040242002.

It is a junction number, because it is equal to n+sod(n) for n = 200242039976 and 200242040003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345864 + ... + 721183.

It is an arithmetic number, because the mean of its divisors is an integer number (9568219416).

Almost surely, 2^200242040020 is an apocalyptic number.

200242040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200242040020 is an abundant number, since it is smaller than the sum of its proper divisors (259032491948).

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

200242040020 is a wasteful number, since it uses less digits than its factorization.

200242040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067920 (or 1067918 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 200242040020 its reverse (20040242002), we get a palindrome (220282282022).

The spelling of 200242040020 in words is "two hundred billion, two hundred forty-two million, forty thousand, twenty".