20200313021 has 8 divisors (see below), whose sum is σ = 23411228544. Its totient is φ = 17070686640.

The previous prime is 20200313009. The next prime is 20200313047. The reversal of 20200313021 is 12031300202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20200313021 - 2²² = 20196118717 is a prime.

It is a super-2 number, since 2×20200313021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200312987 and 20200313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200315021) 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, 20321750 + ... + 20322743.

It is an arithmetic number, because the mean of its divisors is an integer number (2926403568).

Almost surely, 2^20200313021 is an apocalyptic number.

It is an amenable number.

20200313021 is a deficient number, since it is larger than the sum of its proper divisors (3210915523).

20200313021 is an equidigital number, since it uses as much as digits as its factorization.

20200313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40644571.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20200313021 its reverse (12031300202), we get a palindrome (32231613223).

The spelling of 20200313021 in words is "twenty billion, two hundred million, three hundred thirteen thousand, twenty-one".