20425124101 has 8 divisors (see below), whose sum is σ = 21191030784. Its totient is φ = 19665906960.

The previous prime is 20425124099. The next prime is 20425124117. The reversal of 20425124101 is 10142152402.

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 20425124101 - 2¹ = 20425124099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425124501) 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, 1666165 + ... + 1678378.

It is an arithmetic number, because the mean of its divisors is an integer number (2648878848).

Almost surely, 2^20425124101 is an apocalyptic number.

It is an amenable number.

20425124101 is a deficient number, since it is larger than the sum of its proper divisors (765906683).

20425124101 is a wasteful number, since it uses less digits than its factorization.

20425124101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344771.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20425124101 its reverse (10142152402), we get a palindrome (30567276503).

The spelling of 20425124101 in words is "twenty billion, four hundred twenty-five million, one hundred twenty-four thousand, one hundred one".