20725212601 has 8 divisors (see below), whose sum is σ = 21945799584. Its totient is φ = 19504787520.

The previous prime is 20725212589. The next prime is 20725212647. The reversal of 20725212601 is 10621252702.

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

It is a cyclic number.

It is not a de Polignac number, because 20725212601 - 2⁵ = 20725212569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20725212601.

It is not an unprimeable number, because it can be changed into a prime (20725216601) 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, 309726 + ... + 370648.

It is an arithmetic number, because the mean of its divisors is an integer number (2743224948).

Almost surely, 2^20725212601 is an apocalyptic number.

It is an amenable number.

20725212601 is a deficient number, since it is larger than the sum of its proper divisors (1220586983).

20725212601 is a wasteful number, since it uses less digits than its factorization.

20725212601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80951.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 20725212601 in words is "twenty billion, seven hundred twenty-five million, two hundred twelve thousand, six hundred one".