20453234105354 has 16 divisors (see below), whose sum is σ = 33532436941056. Its totient is φ = 9314565816000.

The previous prime is 20453234105333. The next prime is 20453234105363. The reversal of 20453234105354 is 45350143235402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9702671672 + ... + 9702673779.

It is an arithmetic number, because the mean of its divisors is an integer number (2095777308816).

Almost surely, 2^{20453234105354} is an apocalyptic number.

20453234105354 is a deficient number, since it is larger than the sum of its proper divisors (13079202835702).

20453234105354 is a wasteful number, since it uses less digits than its factorization.

20453234105354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19405345501.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 20453234105354 in words is "twenty trillion, four hundred fifty-three billion, two hundred thirty-four million, one hundred five thousand, three hundred fifty-four".