30022020531 has 24 divisors (see below), whose sum is σ = 44131046960. Its totient is φ = 19662004800.

The previous prime is 30022020521. The next prime is 30022020533. The reversal of 30022020531 is 13502022003.

It is not a de Polignac number, because 30022020531 - 2¹⁰ = 30022019507 is a prime.

It is a super-2 number, since 2×30022020531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30022020533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411525 + ... + 478953.

Almost surely, 2^30022020531 is an apocalyptic number.

30022020531 is a deficient number, since it is larger than the sum of its proper divisors (14109026429).

30022020531 is a wasteful number, since it uses less digits than its factorization.

30022020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68307 (or 68304 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 30022020531 its reverse (13502022003), we get a palindrome (43524042534).

The spelling of 30022020531 in words is "thirty billion, twenty-two million, twenty thousand, five hundred thirty-one".