20352451134 has 8 divisors (see below), whose sum is σ = 40704902280. Its totient is φ = 6784150376.

The previous prime is 20352451129. The next prime is 20352451237. The reversal of 20352451134 is 43115425302.

It is a sphenic number, since it is the product of 3 distinct primes.

20352451134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696037589 + ... + 1696037600.

It is an arithmetic number, because the mean of its divisors is an integer number (5088112785).

Almost surely, 2^20352451134 is an apocalyptic number.

20352451134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20352451134 is a wasteful number, since it uses less digits than its factorization.

20352451134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392075194.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20352451134 its reverse (43115425302), we get a palindrome (63467876436).

The spelling of 20352451134 in words is "twenty billion, three hundred fifty-two million, four hundred fifty-one thousand, one hundred thirty-four".