20401014233535 has 32 divisors (see below), whose sum is σ = 35329162713600. Its totient is φ = 9993105986688.

The previous prime is 20401014233531. The next prime is 20401014233569. The reversal of 20401014233535 is 53533241010402.

It is not a de Polignac number, because 20401014233535 - 2² = 20401014233531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20401014233496 and 20401014233505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401014233531) 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, 262826989 + ... + 262904598.

It is an arithmetic number, because the mean of its divisors is an integer number (1104036334800).

Almost surely, 2^{20401014233535} is an apocalyptic number.

20401014233535 is a deficient number, since it is larger than the sum of its proper divisors (14928148480065).

20401014233535 is a wasteful number, since it uses less digits than its factorization.

20401014233535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525731807.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 20401014233535 its reverse (53533241010402), we get a palindrome (73934255243937).

The spelling of 20401014233535 in words is "twenty trillion, four hundred one billion, fourteen million, two hundred thirty-three thousand, five hundred thirty-five".