30023021010020 has 12 divisors (see below), whose sum is σ = 63048344121084. Its totient is φ = 12009208404000.

The previous prime is 30023021010019. The next prime is 30023021010071. The reversal of 30023021010020 is 2001012032003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12531755760484 + 17491265249536 = 3540022^2 + 4182256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30023021009977 and 30023021010004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750575525231 + ... + 750575525270.

It is an arithmetic number, because the mean of its divisors is an integer number (5254028676757).

Almost surely, 2^{30023021010020} is an apocalyptic number.

It is an amenable number.

30023021010020 is an abundant number, since it is smaller than the sum of its proper divisors (33025323111064).

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

30023021010020 is a wasteful number, since it uses less digits than its factorization.

30023021010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501151050510 (or 1501151050508 counting only the distinct ones).

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

Adding to 30023021010020 its reverse (2001012032003), we get a palindrome (32024033042023).

The spelling of 30023021010020 in words is "thirty trillion, twenty-three billion, twenty-one million, ten thousand, twenty".