202530302020 has 48 divisors (see below), whose sum is σ = 447764506560. Its totient is φ = 76737020544.

The previous prime is 202530302017. The next prime is 202530302033. The reversal of 202530302020 is 20203035202.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 2817162 + ... + 2888158.

It is an arithmetic number, because the mean of its divisors is an integer number (9328427220).

Almost surely, 2^202530302020 is an apocalyptic number.

202530302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202530302020 is an abundant number, since it is smaller than the sum of its proper divisors (245234204540).

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

202530302020 is a wasteful number, since it uses less digits than its factorization.

202530302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78532 (or 78530 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 202530302020 its reverse (20203035202), we get a palindrome (222733337222).

The spelling of 202530302020 in words is "two hundred two billion, five hundred thirty million, three hundred two thousand, twenty".