20537129662 has 16 divisors (see below), whose sum is σ = 35214170112. Its totient is φ = 8799711480.

The previous prime is 20537129603. The next prime is 20537129671. The reversal of 20537129662 is 26692173502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92014 + ... + 222577.

It is an arithmetic number, because the mean of its divisors is an integer number (2200885632).

Almost surely, 2^20537129662 is an apocalyptic number.

20537129662 is a deficient number, since it is larger than the sum of its proper divisors (14677040450).

20537129662 is a wasteful number, since it uses less digits than its factorization.

20537129662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319263.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 20537129662 in words is "twenty billion, five hundred thirty-seven million, one hundred twenty-nine thousand, six hundred sixty-two".