20035442523 has 8 divisors (see below), whose sum is σ = 26728681536. Its totient is φ = 13349582600.

The previous prime is 20035442521. The next prime is 20035442573. The reversal of 20035442523 is 32524453002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20035442523 - 2¹ = 20035442521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20035442521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838433 + ... + 1849298.

It is an arithmetic number, because the mean of its divisors is an integer number (3341085192).

Almost surely, 2^20035442523 is an apocalyptic number.

20035442523 is a deficient number, since it is larger than the sum of its proper divisors (6693239013).

20035442523 is a wasteful number, since it uses less digits than its factorization.

20035442523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689545.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20035442523 its reverse (32524453002), we get a palindrome (52559895525).

The spelling of 20035442523 in words is "twenty billion, thirty-five million, four hundred forty-two thousand, five hundred twenty-three".