20434533030 has 96 divisors (see below), whose sum is σ = 55715268960. Its totient is φ = 5189184000.

The previous prime is 20434532999. The next prime is 20434533037. The reversal of 20434533030 is 3033543402.

It is a happy number.

20434533030 is a `hidden beast` number, since 204 + 3 + 453 + 3 + 0 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20434532985 and 20434533003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434533037) 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 47 ways as a sum of consecutive naturals, for example, 136905 + ... + 244155.

It is an arithmetic number, because the mean of its divisors is an integer number (580367385).

Almost surely, 2^20434533030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20434533030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27857634480).

20434533030 is an abundant number, since it is smaller than the sum of its proper divisors (35280735930).

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

20434533030 is a wasteful number, since it uses less digits than its factorization.

20434533030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107366 (or 107363 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The spelling of 20434533030 in words is "twenty billion, four hundred thirty-four million, five hundred thirty-three thousand, thirty".