20463633770 has 16 divisors (see below), whose sum is σ = 36852127200. Its totient is φ = 8181545424.

The previous prime is 20463633647. The next prime is 20463633791. The reversal of 20463633770 is 7733636402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 466472 + ... + 508451.

It is an arithmetic number, because the mean of its divisors is an integer number (2303257950).

Almost surely, 2^20463633770 is an apocalyptic number.

20463633770 is a deficient number, since it is larger than the sum of its proper divisors (16388493430).

20463633770 is a wasteful number, since it uses less digits than its factorization.

20463633770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977029.

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 20463633770 in words is "twenty billion, four hundred sixty-three million, six hundred thirty-three thousand, seven hundred seventy".