20042353152535 has 32 divisors (see below), whose sum is σ = 27980438280192. Its totient is φ = 13497133092480.

The previous prime is 20042353152467. The next prime is 20042353152559. The reversal of 20042353152535 is 53525135324002.

It is not a de Polignac number, because 20042353152535 - 2⁷ = 20042353152407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5873307 + ... + 8635996.

It is an arithmetic number, because the mean of its divisors is an integer number (874388696256).

Almost surely, 2^{20042353152535} is an apocalyptic number.

20042353152535 is a deficient number, since it is larger than the sum of its proper divisors (7938085127657).

20042353152535 is a wasteful number, since it uses less digits than its factorization.

20042353152535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510023.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 20042353152535 its reverse (53525135324002), we get a palindrome (73567488476537).

The spelling of 20042353152535 in words is "twenty trillion, forty-two billion, three hundred fifty-three million, one hundred fifty-two thousand, five hundred thirty-five".