20254535501434 has 32 divisors (see below), whose sum is σ = 34563476324160. Its totient is φ = 8824717238400.

The previous prime is 20254535501423. The next prime is 20254535501477. The reversal of 20254535501434 is 43410553545202.

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, 72816852 + ... + 73094479.

It is an arithmetic number, because the mean of its divisors is an integer number (1080108635130).

Almost surely, 2^{20254535501434} is an apocalyptic number.

20254535501434 is a deficient number, since it is larger than the sum of its proper divisors (14308940822726).

20254535501434 is a wasteful number, since it uses less digits than its factorization.

20254535501434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145911646.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 20254535501434 in words is "twenty trillion, two hundred fifty-four billion, five hundred thirty-five million, five hundred one thousand, four hundred thirty-four".