20043215462 has 8 divisors (see below), whose sum is σ = 30877386096. Its totient is φ = 9750753432.

The previous prime is 20043215461. The next prime is 20043215627. The reversal of 20043215462 is 26451234002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043215461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135427058 + ... + 135427205.

It is an arithmetic number, because the mean of its divisors is an integer number (3859673262).

Almost surely, 2^20043215462 is an apocalyptic number.

20043215462 is a deficient number, since it is larger than the sum of its proper divisors (10834170634).

20043215462 is a wasteful number, since it uses less digits than its factorization.

20043215462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270854302.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20043215462 its reverse (26451234002), we get a palindrome (46494449464).

The spelling of 20043215462 in words is "twenty billion, forty-three million, two hundred fifteen thousand, four hundred sixty-two".