20858006371 has 20 divisors (see below), whose sum is σ = 22780101600. Its totient is φ = 19075372848.

The previous prime is 20858006359. The next prime is 20858006419. The reversal of 20858006371 is 17360085802.

It is not a de Polignac number, because 20858006371 - 2⁷ = 20858006243 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 (20858006311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3776550 + ... + 3782068.

It is an arithmetic number, because the mean of its divisors is an integer number (1139005080).

Almost surely, 2^20858006371 is an apocalyptic number.

20858006371 is a deficient number, since it is larger than the sum of its proper divisors (1922095229).

20858006371 is an frugal number, since it uses more digits than its factorization.

20858006371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20858006371 in words is "twenty billion, eight hundred fifty-eight million, six thousand, three hundred seventy-one".