20129492662 has 8 divisors (see below), whose sum is σ = 30194896392. Its totient is φ = 10064527200.

The previous prime is 20129492641. The next prime is 20129492683. The reversal of 20129492662 is 26629492102.

It is an interprime number because it is at equal distance from previous prime (20129492641) and next prime (20129492683).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54237 + ... + 207847.

It is an arithmetic number, because the mean of its divisors is an integer number (3774362049).

Almost surely, 2^20129492662 is an apocalyptic number.

20129492662 is a deficient number, since it is larger than the sum of its proper divisors (10065403730).

20129492662 is a wasteful number, since it uses less digits than its factorization.

20129492662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219134.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 20129492662 in words is "twenty billion, one hundred twenty-nine million, four hundred ninety-two thousand, six hundred sixty-two".