20632214691 has 36 divisors (see below), whose sum is σ = 33887293440. Its totient is φ = 12073168800.

The previous prime is 20632214689. The next prime is 20632214717. The reversal of 20632214691 is 19641223602.

It is a happy number.

20632214691 is a `hidden beast` number, since 2 + 0 + 632 + 2 + 14 + 6 + 9 + 1 = 666.

It is not a de Polignac number, because 20632214691 - 2¹ = 20632214689 is a prime.

It is a super-3 number, since 3×20632214691³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20632214591) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 295075 + ... + 358236.

Almost surely, 2^20632214691 is an apocalyptic number.

20632214691 is a deficient number, since it is larger than the sum of its proper divisors (13255078749).

20632214691 is a wasteful number, since it uses less digits than its factorization.

20632214691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653368 (or 653354 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 20632214691 in words is "twenty billion, six hundred thirty-two million, two hundred fourteen thousand, six hundred ninety-one".