20514021062405 has 16 divisors (see below), whose sum is σ = 27663054491520. Its totient is φ = 14490171398208.

The previous prime is 20514021062383. The next prime is 20514021062411. The reversal of 20514021062405 is 50426012041502.

It is not a de Polignac number, because 20514021062405 - 2¹⁰ = 20514021061381 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6860875115 + ... + 6860878104.

It is an arithmetic number, because the mean of its divisors is an integer number (1728940905720).

Almost surely, 2^{20514021062405} is an apocalyptic number.

It is an amenable number.

20514021062405 is a deficient number, since it is larger than the sum of its proper divisors (7149033429115).

20514021062405 is a wasteful number, since it uses less digits than its factorization.

20514021062405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13721753260.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 20514021062405 in words is "twenty trillion, five hundred fourteen billion, twenty-one million, sixty-two thousand, four hundred five".