202203031020 has 96 divisors (see below), whose sum is σ = 585118550016. Its totient is φ = 52120128000.

The previous prime is 202203030973. The next prime is 202203031027. The reversal of 202203031020 is 20130302202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (202203031027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530595 + ... + 1657445.

It is an arithmetic number, because the mean of its divisors is an integer number (6094984896).

Almost surely, 2^202203031020 is an apocalyptic number.

202203031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202203031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292559275008).

202203031020 is an abundant number, since it is smaller than the sum of its proper divisors (382915518996).

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

202203031020 is a wasteful number, since it uses less digits than its factorization.

202203031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127751 (or 127749 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202203031020 its reverse (20130302202), we get a palindrome (222333333222).

The spelling of 202203031020 in words is "two hundred two billion, two hundred three million, thirty-one thousand, twenty".