202120030244 has 24 divisors (see below), whose sum is σ = 389843515488. Its totient is φ = 90925597440.

The previous prime is 202120030241. The next prime is 202120030249. The reversal of 202120030244 is 442030021202.

It is not an unprimeable number, because it can be changed into a prime (202120030241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23674274 + ... + 23682809.

It is an arithmetic number, because the mean of its divisors is an integer number (16243479812).

Almost surely, 2^202120030244 is an apocalyptic number.

It is an amenable number.

202120030244 is a deficient number, since it is larger than the sum of its proper divisors (187723485244).

202120030244 is a wasteful number, since it uses less digits than its factorization.

202120030244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47357195 (or 47357193 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 202120030244 its reverse (442030021202), we get a palindrome (644150051446).

The spelling of 202120030244 in words is "two hundred two billion, one hundred twenty million, thirty thousand, two hundred forty-four".