20343774005401 has 48 divisors (see below), whose sum is σ = 27061971350400. Its totient is φ = 14918219712000.

The previous prime is 20343774005389. The next prime is 20343774005459. The reversal of 20343774005401 is 10450047734302.

It is not a de Polignac number, because 20343774005401 - 2¹⁵ = 20343773972633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343774005701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145345551 + ... + 145485451.

It is an arithmetic number, because the mean of its divisors is an integer number (563791069800).

Almost surely, 2^{20343774005401} is an apocalyptic number.

It is an amenable number.

20343774005401 is a deficient number, since it is larger than the sum of its proper divisors (6718197344999).

20343774005401 is a wasteful number, since it uses less digits than its factorization.

20343774005401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150046 (or 150035 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 20343774005401 in words is "twenty trillion, three hundred forty-three billion, seven hundred seventy-four million, five thousand, four hundred one".