20941048807 has 12 divisors (see below), whose sum is σ = 24368484960. Its totient is φ = 17943215136.

The previous prime is 20941048769. The next prime is 20941048831. The reversal of 20941048807 is 70884014902.

It is not a de Polignac number, because 20941048807 - 2¹⁹ = 20940524519 is a prime.

It is a super-2 number, since 2×20941048807² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20941048207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70419 + ... + 216427.

It is an arithmetic number, because the mean of its divisors is an integer number (2030707080).

Almost surely, 2^20941048807 is an apocalyptic number.

20941048807 is a deficient number, since it is larger than the sum of its proper divisors (3427436153).

20941048807 is a wasteful number, since it uses less digits than its factorization.

20941048807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148950 (or 148943 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 20941048807 in words is "twenty billion, nine hundred forty-one million, forty-eight thousand, eight hundred seven".