20120514354 has 12 divisors (see below), whose sum is σ = 43594447806. Its totient is φ = 6706838112.

The previous prime is 20120514269. The next prime is 20120514361. The reversal of 20120514354 is 45341502102.

20120514354 is a `hidden beast` number, since 20 + 1 + 205 + 1 + 435 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20085408729 + 35105625 = 141723^2 + 5925^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558903159 + ... + 558903194.

Almost surely, 2^20120514354 is an apocalyptic number.

20120514354 is an abundant number, since it is smaller than the sum of its proper divisors (23473933452).

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

20120514354 is a wasteful number, since it uses less digits than its factorization.

20120514354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117806361 (or 1117806358 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20120514354 in words is "twenty billion, one hundred twenty million, five hundred fourteen thousand, three hundred fifty-four".