20154261453 has 8 divisors (see below), whose sum is σ = 27598628448. Its totient is φ = 13073034384.

The previous prime is 20154261401. The next prime is 20154261467. The reversal of 20154261453 is 35416245102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20154261453 - 2⁹ = 20154260941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154241453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 90784851 + ... + 90785072.

It is an arithmetic number, because the mean of its divisors is an integer number (3449828556).

Almost surely, 2^20154261453 is an apocalyptic number.

It is an amenable number.

20154261453 is a deficient number, since it is larger than the sum of its proper divisors (7444366995).

20154261453 is a wasteful number, since it uses less digits than its factorization.

20154261453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181569963.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20154261453 in words is "twenty billion, one hundred fifty-four million, two hundred sixty-one thousand, four hundred fifty-three".