20434653324 has 96 divisors (see below), whose sum is σ = 55357693440. Its totient is φ = 6506495424.

The previous prime is 20434653271. The next prime is 20434653397. The reversal of 20434653324 is 42335643402.

20434653324 is a `hidden beast` number, since 20 + 43 + 46 + 533 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1949682 + ... + 1960134.

It is an arithmetic number, because the mean of its divisors is an integer number (576642640).

Almost surely, 2^20434653324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20434653324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27678846720).

20434653324 is an abundant number, since it is smaller than the sum of its proper divisors (34923040116).

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

20434653324 is a wasteful number, since it uses less digits than its factorization.

20434653324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276 (or 11268 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

The spelling of 20434653324 in words is "twenty billion, four hundred thirty-four million, six hundred fifty-three thousand, three hundred twenty-four".