20233505355401 has 32 divisors (see below), whose sum is σ = 22200175915008. Its totient is φ = 18329387123520.

The previous prime is 20233505355319. The next prime is 20233505355407. The reversal of 20233505355401 is 10455350533202.

It is a cyclic number.

It is not a de Polignac number, because 20233505355401 - 2⁴² = 15835458844297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233505355407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73879220 + ... + 74152586.

It is an arithmetic number, because the mean of its divisors is an integer number (693755497344).

Almost surely, 2^{20233505355401} is an apocalyptic number.

It is an amenable number.

20233505355401 is a deficient number, since it is larger than the sum of its proper divisors (1966670559607).

20233505355401 is a wasteful number, since it uses less digits than its factorization.

20233505355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273981.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 20233505355401 its reverse (10455350533202), we get a palindrome (30688855888603).

The spelling of 20233505355401 in words is "twenty trillion, two hundred thirty-three billion, five hundred five million, three hundred fifty-five thousand, four hundred one".