30020403432 has 32 divisors (see below), whose sum is σ = 75083208480. Its totient is φ = 10002507840.

The previous prime is 30020403409. The next prime is 30020403433. The reversal of 30020403432 is 23430402003.

It is a junction number, because it is equal to n+sod(n) for n = 30020403399 and 30020403408.

It is not an unprimeable number, because it can be changed into a prime (30020403433) 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, 210978 + ... + 323345.

It is an arithmetic number, because the mean of its divisors is an integer number (2346350265).

Almost surely, 2^30020403432 is an apocalyptic number.

It is an amenable number.

30020403432 is an abundant number, since it is smaller than the sum of its proper divisors (45062805048).

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

30020403432 is a wasteful number, since it uses less digits than its factorization.

30020403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536673 (or 536669 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30020403432 its reverse (23430402003), we get a palindrome (53450805435).

The spelling of 30020403432 in words is "thirty billion, twenty million, four hundred three thousand, four hundred thirty-two".