20314143455 has 32 divisors (see below), whose sum is σ = 27203947200. Its totient is φ = 14471903232.

The previous prime is 20314143449. The next prime is 20314143517. The reversal of 20314143455 is 55434141302.

It is a cyclic number.

It is not a de Polignac number, because 20314143455 - 2¹⁶ = 20314077919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1331249 + ... + 1346421.

It is an arithmetic number, because the mean of its divisors is an integer number (850123350).

Almost surely, 2^20314143455 is an apocalyptic number.

20314143455 is a deficient number, since it is larger than the sum of its proper divisors (6889803745).

20314143455 is a wasteful number, since it uses less digits than its factorization.

20314143455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20314143455 its reverse (55434141302), we get a palindrome (75748284757).

The spelling of 20314143455 in words is "twenty billion, three hundred fourteen million, one hundred forty-three thousand, four hundred fifty-five".