20453134000 has 80 divisors (see below), whose sum is σ = 53260028640. Its totient is φ = 7551916800.

The previous prime is 20453133991. The next prime is 20453134043. The reversal of 20453134000 is 43135402.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367330 + ... + 419329.

It is an arithmetic number, because the mean of its divisors is an integer number (665750358).

Almost surely, 2^20453134000 is an apocalyptic number.

20453134000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20453134000 is an abundant number, since it is smaller than the sum of its proper divisors (32806894640).

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

20453134000 is a wasteful number, since it uses less digits than its factorization.

20453134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786695 (or 786679 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 20453134000 its reverse (43135402), we get a palindrome (20496269402).

The spelling of 20453134000 in words is "twenty billion, four hundred fifty-three million, one hundred thirty-four thousand".