20135453102 has 4 divisors (see below), whose sum is σ = 30203179656. Its totient is φ = 10067726550.

The previous prime is 20135453083. The next prime is 20135453137.

It is a happy number.

20135453102 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033863274 + ... + 5033863277.

It is an arithmetic number, because the mean of its divisors is an integer number (7550794914).

Almost surely, 2^20135453102 is an apocalyptic number.

20135453102 is a deficient number, since it is larger than the sum of its proper divisors (10067726554).

20135453102 is a wasteful number, since it uses less digits than its factorization.

20135453102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067726553.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20135453102 in words is "twenty billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred two".