20882835861 has 8 divisors (see below), whose sum is σ = 27867976704. Its totient is φ = 13909792800.

The previous prime is 20882835859. The next prime is 20882835917. The reversal of 20882835861 is 16853828802.

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

It is not a de Polignac number, because 20882835861 - 2¹ = 20882835859 is a prime.

It is a super-2 number, since 2×20882835861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882835821) 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, 3020416 + ... + 3027321.

It is an arithmetic number, because the mean of its divisors is an integer number (3483497088).

Almost surely, 2^20882835861 is an apocalyptic number.

It is an amenable number.

20882835861 is a deficient number, since it is larger than the sum of its proper divisors (6985140843).

20882835861 is a wasteful number, since it uses less digits than its factorization.

20882835861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048891.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 20882835861 in words is "twenty billion, eight hundred eighty-two million, eight hundred thirty-five thousand, eight hundred sixty-one".