30421100020 has 24 divisors (see below), whose sum is σ = 63899488800. Its totient is φ = 12165548832.

The previous prime is 30421100011. The next prime is 30421100027. The reversal of 30421100020 is 2000112403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93390 + ... + 263749.

It is an arithmetic number, because the mean of its divisors is an integer number (2662478700).

Almost surely, 2^30421100020 is an apocalyptic number.

It is an amenable number.

30421100020 is an abundant number, since it is smaller than the sum of its proper divisors (33478388780).

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

30421100020 is a wasteful number, since it uses less digits than its factorization.

30421100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361407 (or 361405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30421100020 its reverse (2000112403), we get a palindrome (32421212423).

The spelling of 30421100020 in words is "thirty billion, four hundred twenty-one million, one hundred thousand, twenty".