20054122451253 has 24 divisors (see below), whose sum is σ = 31615577263296. Its totient is φ = 12148189804800.

The previous prime is 20054122451243. The next prime is 20054122451303. The reversal of 20054122451253 is 35215422145002.

20054122451253 is a `hidden beast` number, since 2 + 0 + 0 + 541 + 22 + 45 + 1 + 2 + 53 = 666.

It is not a de Polignac number, because 20054122451253 - 2²⁹ = 20053585580341 is a prime.

It is a super-2 number, since 2×20054122451253² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054122451243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48324028 + ... + 48737253.

It is an arithmetic number, because the mean of its divisors is an integer number (1317315719304).

Almost surely, 2^{20054122451253} is an apocalyptic number.

It is an amenable number.

20054122451253 is a deficient number, since it is larger than the sum of its proper divisors (11561454812043).

20054122451253 is a wasteful number, since it uses less digits than its factorization.

20054122451253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97063385 (or 97063382 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 20054122451253 its reverse (35215422145002), we get a palindrome (55269544596255).

The spelling of 20054122451253 in words is "twenty trillion, fifty-four billion, one hundred twenty-two million, four hundred fifty-one thousand, two hundred fifty-three".