20613062431046 has 4 divisors (see below), whose sum is σ = 30919593646572. Its totient is φ = 10306531215522.

The previous prime is 20613062431033. The next prime is 20613062431051. The reversal of 20613062431046 is 64013426031602.

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

It is a Curzon number.

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, 5153265607760 + ... + 5153265607763.

It is an arithmetic number, because the mean of its divisors is an integer number (7729898411643).

Almost surely, 2^{20613062431046} is an apocalyptic number.

20613062431046 is a deficient number, since it is larger than the sum of its proper divisors (10306531215526).

20613062431046 is a wasteful number, since it uses less digits than its factorization.

20613062431046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306531215525.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 20613062431046 its reverse (64013426031602), we get a palindrome (84626488462648).

The spelling of 20613062431046 in words is "twenty trillion, six hundred thirteen billion, sixty-two million, four hundred thirty-one thousand, forty-six".