201042030020 has 48 divisors (see below), whose sum is σ = 454700891568. Its totient is φ = 74224926720.

The previous prime is 201042030011. The next prime is 201042030029. The reversal of 201042030020 is 20030240102.

It is an interprime number because it is at equal distance from previous prime (201042030011) and next prime (201042030029).

It can be written as a sum of positive squares in 8 ways, for example, as 126701826304 + 74340203716 = 355952^2 + 272654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201042029977 and 201042030004.

It is not an unprimeable number, because it can be changed into a prime (201042030029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4433060 + ... + 4478180.

It is an arithmetic number, because the mean of its divisors is an integer number (9472935241).

Almost surely, 2^201042030020 is an apocalyptic number.

201042030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201042030020 is an abundant number, since it is smaller than the sum of its proper divisors (253658861548).

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

201042030020 is a wasteful number, since it uses less digits than its factorization.

201042030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62280 (or 62278 counting only the distinct ones).

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

Adding to 201042030020 its reverse (20030240102), we get a palindrome (221072270122).

The spelling of 201042030020 in words is "two hundred one billion, forty-two million, thirty thousand, twenty".