202011201020 has 48 divisors (see below), whose sum is σ = 433324200960. Its totient is φ = 79071610944.

The previous prime is 202011201019. The next prime is 202011201037. The reversal of 202011201020 is 20102110202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202011200992 and 202011201010.

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, 6759671 + ... + 6789489.

It is an arithmetic number, because the mean of its divisors is an integer number (9027587520).

Almost surely, 2^202011201020 is an apocalyptic number.

202011201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011201020 is an abundant number, since it is smaller than the sum of its proper divisors (231312999940).

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

202011201020 is a wasteful number, since it uses less digits than its factorization.

202011201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37082 (or 37080 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202011201020 its reverse (20102110202), we get a palindrome (222113311222).

It can be divided in two parts, 20201 and 1201020, that added together give a palindrome (1221221).

The spelling of 202011201020 in words is "two hundred two billion, eleven million, two hundred one thousand, twenty".