20546236316 has 12 divisors (see below), whose sum is σ = 36448460832. Its totient is φ = 10132390368.

The previous prime is 20546236313. The next prime is 20546236343. The reversal of 20546236316 is 61363264502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20546236316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546236313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35181620 + ... + 35182203.

It is an arithmetic number, because the mean of its divisors is an integer number (3037371736).

Almost surely, 2^20546236316 is an apocalyptic number.

It is an amenable number.

20546236316 is a deficient number, since it is larger than the sum of its proper divisors (15902224516).

20546236316 is a wasteful number, since it uses less digits than its factorization.

20546236316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70363900 (or 70363898 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 20546236316 in words is "twenty billion, five hundred forty-six million, two hundred thirty-six thousand, three hundred sixteen".