20030220031 has 8 divisors (see below), whose sum is σ = 20288275200. Its totient is φ = 19772277720.

The previous prime is 20030220011. The next prime is 20030220079. The reversal of 20030220031 is 13002203002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20030220031 - 2⁷ = 20030219903 is a prime.

It is a super-2 number, since 2×20030220031² (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 = 20030219993 and 20030220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030220011) 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, 363840 + ... + 415258.

It is an arithmetic number, because the mean of its divisors is an integer number (2536034400).

Almost surely, 2^20030220031 is an apocalyptic number.

20030220031 is a deficient number, since it is larger than the sum of its proper divisors (258055169).

20030220031 is an equidigital number, since it uses as much as digits as its factorization.

20030220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56429.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20030220031 its reverse (13002203002), we get a palindrome (33032423033).

The spelling of 20030220031 in words is "twenty billion, thirty million, two hundred twenty thousand, thirty-one".