20607197829 has 8 divisors (see below), whose sum is σ = 28670884032. Its totient is φ = 13140821760.

The previous prime is 20607197771. The next prime is 20607197867. The reversal of 20607197829 is 92879170602.

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

It is not a de Polignac number, because 20607197829 - 2¹⁹ = 20606673541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20607197869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149327452 + ... + 149327589.

It is an arithmetic number, because the mean of its divisors is an integer number (3583860504).

Almost surely, 2^20607197829 is an apocalyptic number.

It is an amenable number.

20607197829 is a deficient number, since it is larger than the sum of its proper divisors (8063686203).

20607197829 is a wasteful number, since it uses less digits than its factorization.

20607197829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298655067.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 20607197829 in words is "twenty billion, six hundred seven million, one hundred ninety-seven thousand, eight hundred twenty-nine".