20215676601 has 32 divisors (see below), whose sum is σ = 31699740800. Its totient is φ = 12697197120.

The previous prime is 20215676567. The next prime is 20215676623. The reversal of 20215676601 is 10667651202.

It is a happy number.

20215676601 is a `hidden beast` number, since 20 + 21 + 5 + 6 + 7 + 6 + 601 = 666.

It is not a de Polignac number, because 20215676601 - 2²³ = 20207287993 is a prime.

It is a super-3 number, since 3×20215676601³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20215674601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16006 + ... + 201711.

It is an arithmetic number, because the mean of its divisors is an integer number (990616900).

Almost surely, 2^20215676601 is an apocalyptic number.

It is an amenable number.

20215676601 is a deficient number, since it is larger than the sum of its proper divisors (11484064199).

20215676601 is a wasteful number, since it uses less digits than its factorization.

20215676601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217926 (or 217920 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20215676601 in words is "twenty billion, two hundred fifteen million, six hundred seventy-six thousand, six hundred one".