20216636137014 has 32 divisors (see below), whose sum is σ = 40785227420256. Its totient is φ = 6680466508800.

The previous prime is 20216636136979. The next prime is 20216636137039. The reversal of 20216636137014 is 41073163661202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30545787 + ... + 31200614.

It is an arithmetic number, because the mean of its divisors is an integer number (1274538356883).

Almost surely, 2^{20216636137014} is an apocalyptic number.

20216636137014 is an abundant number, since it is smaller than the sum of its proper divisors (20568591283242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20216636137014 is a wasteful number, since it uses less digits than its factorization.

20216636137014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61746880.

The product of its (nonzero) digits is 217728, while the sum is 42.

Adding to 20216636137014 its reverse (41073163661202), we get a palindrome (61289799798216).

The spelling of 20216636137014 in words is "twenty trillion, two hundred sixteen billion, six hundred thirty-six million, one hundred thirty-seven thousand, fourteen".