20259442941 has 16 divisors (see below), whose sum is σ = 27289437120. Its totient is φ = 13368136320.

The previous prime is 20259442939. The next prime is 20259442969. The reversal of 20259442941 is 14924495202.

It is not a de Polignac number, because 20259442941 - 2¹ = 20259442939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20259442893 and 20259442902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20259442921) 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, 279126 + ... + 344136.

It is an arithmetic number, because the mean of its divisors is an integer number (1705589820).

Almost surely, 2^20259442941 is an apocalyptic number.

It is an amenable number.

20259442941 is a deficient number, since it is larger than the sum of its proper divisors (7029994179).

20259442941 is a wasteful number, since it uses less digits than its factorization.

20259442941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66076.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20259442941 in words is "twenty billion, two hundred fifty-nine million, four hundred forty-two thousand, nine hundred forty-one".