20472001486 has 8 divisors (see below), whose sum is σ = 30736100664. Its totient is φ = 10226634600.

The previous prime is 20472001481. The next prime is 20472001493. The reversal of 20472001486 is 68410027402.

It is a happy number.

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 (20472001481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4680340 + ... + 4684711.

It is an arithmetic number, because the mean of its divisors is an integer number (3842012583).

Almost surely, 2^20472001486 is an apocalyptic number.

20472001486 is a deficient number, since it is larger than the sum of its proper divisors (10264099178).

20472001486 is a wasteful number, since it uses less digits than its factorization.

20472001486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366146.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 20472001486 its reverse (68410027402), we get a palindrome (88882028888).

The spelling of 20472001486 in words is "twenty billion, four hundred seventy-two million, one thousand, four hundred eighty-six".