20541343412 has 24 divisors (see below), whose sum is σ = 36010534560. Its totient is φ = 10252640160.

The previous prime is 20541343387. The next prime is 20541343453. The reversal of 20541343412 is 21434314502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10213487 + ... + 10215497.

It is an arithmetic number, because the mean of its divisors is an integer number (1500438940).

Almost surely, 2^20541343412 is an apocalyptic number.

It is an amenable number.

20541343412 is a deficient number, since it is larger than the sum of its proper divisors (15469191148).

20541343412 is a wasteful number, since it uses less digits than its factorization.

20541343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20541343412 its reverse (21434314502), we get a palindrome (41975657914).

The spelling of 20541343412 in words is "twenty billion, five hundred forty-one million, three hundred forty-three thousand, four hundred twelve".