20201202320 has 40 divisors (see below), whose sum is σ = 50580705336. Its totient is φ = 7458905088.

The previous prime is 20201202283. The next prime is 20201202331. The reversal of 20201202320 is 2320210202.

It can be written as a sum of positive squares in 4 ways, for example, as 385572496 + 19815629824 = 19636^2 + 140768^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 20201202295 and 20201202304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9711077 + ... + 9713156.

Almost surely, 2^20201202320 is an apocalyptic number.

20201202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201202320 is an abundant number, since it is smaller than the sum of its proper divisors (30379503016).

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

20201202320 is a wasteful number, since it uses less digits than its factorization.

20201202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19424259 (or 19424253 counting only the distinct ones).

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

Adding to 20201202320 its reverse (2320210202), we get a palindrome (22521412522).

The spelling of 20201202320 in words is "twenty billion, two hundred one million, two hundred two thousand, three hundred twenty".