20610001501 has 8 divisors (see below), whose sum is σ = 20789814240. Its totient is φ = 20430839952.

The previous prime is 20610001487. The next prime is 20610001513. The reversal of 20610001501 is 10510001602.

It is a happy number.

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 20610001501 - 2¹³ = 20609993309 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 (20610071501) by changing a digit.

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, 99115 + ... + 225928.

It is an arithmetic number, because the mean of its divisors is an integer number (2598726780).

Almost surely, 2^20610001501 is an apocalyptic number.

It is an amenable number.

20610001501 is a deficient number, since it is larger than the sum of its proper divisors (179812739).

20610001501 is a wasteful number, since it uses less digits than its factorization.

20610001501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325595.

The product of its (nonzero) digits is 60, while the sum is 16.

The spelling of 20610001501 in words is "twenty billion, six hundred ten million, one thousand, five hundred one".