30420423332 has 48 divisors (see below), whose sum is σ = 58124966592. Its totient is φ = 13847034240.

The previous prime is 30420423331. The next prime is 30420423403. The reversal of 30420423332 is 23332402403.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (30420423331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096658 + ... + 1124054.

It is an arithmetic number, because the mean of its divisors is an integer number (1210936804).

Almost surely, 2^30420423332 is an apocalyptic number.

It is an amenable number.

30420423332 is a deficient number, since it is larger than the sum of its proper divisors (27704543260).

30420423332 is a wasteful number, since it uses less digits than its factorization.

30420423332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27708 (or 27706 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 30420423332 its reverse (23332402403), we get a palindrome (53752825735).

The spelling of 30420423332 in words is "thirty billion, four hundred twenty million, four hundred twenty-three thousand, three hundred thirty-two".