20014653413454 has 128 divisors (see below), whose sum is σ = 47166740938752. Its totient is φ = 5542317095040.

The previous prime is 20014653413431. The next prime is 20014653413473. The reversal of 20014653413454 is 45431435641002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1639061409 + ... + 1639073619.

It is an arithmetic number, because the mean of its divisors is an integer number (368490163584).

Almost surely, 2^{20014653413454} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014653413454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23583370469376).

20014653413454 is an abundant number, since it is smaller than the sum of its proper divisors (27152087525298).

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

20014653413454 is a wasteful number, since it uses less digits than its factorization.

20014653413454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20014653413454 in words is "twenty trillion, fourteen billion, six hundred fifty-three million, four hundred thirteen thousand, four hundred fifty-four".