20481616941 has 24 divisors (see below), whose sum is σ = 28849283424. Its totient is φ = 12923413920.

The previous prime is 20481616933. The next prime is 20481616973. The reversal of 20481616941 is 14961618402.

It is not a de Polignac number, because 20481616941 - 2³ = 20481616933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20481616893 and 20481616902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20481616921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201246 + ... + 1218176.

It is an arithmetic number, because the mean of its divisors is an integer number (1202053476).

Almost surely, 2^20481616941 is an apocalyptic number.

It is an amenable number.

20481616941 is a deficient number, since it is larger than the sum of its proper divisors (8367666483).

20481616941 is a wasteful number, since it uses less digits than its factorization.

20481616941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18089 (or 18070 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 20481616941 in words is "twenty billion, four hundred eighty-one million, six hundred sixteen thousand, nine hundred forty-one".