20135034274554 has 12 divisors (see below), whose sum is σ = 43625907594906. Its totient is φ = 6711678091512.

The previous prime is 20135034274547. The next prime is 20135034274559. The reversal of 20135034274554 is 45547243053102.

20135034274554 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 50 + 3 + 42 + 7 + 4 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15200758404225 + 4934275870329 = 3898815^2 + 2221323^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20135034274559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559306507609 + ... + 559306507644.

Almost surely, 2^{20135034274554} is an apocalyptic number.

20135034274554 is an abundant number, since it is smaller than the sum of its proper divisors (23490873320352).

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

20135034274554 is a wasteful number, since it uses less digits than its factorization.

20135034274554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118613015261 (or 1118613015258 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 20135034274554 in words is "twenty trillion, one hundred thirty-five billion, thirty-four million, two hundred seventy-four thousand, five hundred fifty-four".