20430033120 has 144 divisors (see below), whose sum is σ = 79677168480. Its totient is φ = 4669719552.

The previous prime is 20430033103. The next prime is 20430033133. The reversal of 20430033120 is 2133003402.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20430033093 and 20430033102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003315 + ... + 1023474.

It is an arithmetic number, because the mean of its divisors is an integer number (553313670).

Almost surely, 2^20430033120 is an apocalyptic number.

20430033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430033120 is an abundant number, since it is smaller than the sum of its proper divisors (59247135360).

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

20430033120 is a wasteful number, since it uses less digits than its factorization.

20430033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026817 (or 2026806 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20430033120 its reverse (2133003402), we get a palindrome (22563036522).

The spelling of 20430033120 in words is "twenty billion, four hundred thirty million, thirty-three thousand, one hundred twenty".