13501002020242 has 32 divisors (see below), whose sum is σ = 23712550369344. Its totient is φ = 5696708774400.

The previous prime is 13501002020179. The next prime is 13501002020249. The reversal of 13501002020242 is 24202020010531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13501002020249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247225684 + ... + 247280287.

It is an arithmetic number, because the mean of its divisors is an integer number (741017199042).

Almost surely, 2^{13501002020242} is an apocalyptic number.

13501002020242 is a deficient number, since it is larger than the sum of its proper divisors (10211548349102).

13501002020242 is a wasteful number, since it uses less digits than its factorization.

13501002020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494506074.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 13501002020242 its reverse (24202020010531), we get a palindrome (37703022030773).

The spelling of 13501002020242 in words is "thirteen trillion, five hundred one billion, two million, twenty thousand, two hundred forty-two".