20436631010 has 16 divisors (see below), whose sum is σ = 37229141376. Its totient is φ = 8076162288.

The previous prime is 20436631009. The next prime is 20436631013. The reversal of 20436631010 is 1013663402.

It is not an unprimeable number, because it can be changed into a prime (20436631013) 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 7 ways as a sum of consecutive naturals, for example, 12310394 + ... + 12312053.

It is an arithmetic number, because the mean of its divisors is an integer number (2326821336).

Almost surely, 2^20436631010 is an apocalyptic number.

20436631010 is a deficient number, since it is larger than the sum of its proper divisors (16792510366).

20436631010 is a wasteful number, since it uses less digits than its factorization.

20436631010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24622537.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 20436631010 in words is "twenty billion, four hundred thirty-six million, six hundred thirty-one thousand, ten".