20841290371 has 16 divisors (see below), whose sum is σ = 23065475328. Its totient is φ = 18672242400.

The previous prime is 20841290363. The next prime is 20841290383. The reversal of 20841290371 is 17309214802.

It is a cyclic number.

It is not a de Polignac number, because 20841290371 - 2³ = 20841290363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20841290371.

It is not an unprimeable number, because it can be changed into a prime (20841290321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3024496 + ... + 3031378.

It is an arithmetic number, because the mean of its divisors is an integer number (1441592208).

Almost surely, 2^20841290371 is an apocalyptic number.

20841290371 is a deficient number, since it is larger than the sum of its proper divisors (2224184957).

20841290371 is a wasteful number, since it uses less digits than its factorization.

20841290371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 20841290371 in words is "twenty billion, eight hundred forty-one million, two hundred ninety thousand, three hundred seventy-one".