20116761641562 has 16 divisors (see below), whose sum is σ = 40296094866720. Its totient is φ = 6695158616592.

The previous prime is 20116761641531. The next prime is 20116761641567. The reversal of 20116761641562 is 26514616761102.

It is a super-3 number, since 3×20116761641562³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20116761641567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607145137 + ... + 2607152852.

It is an arithmetic number, because the mean of its divisors is an integer number (2518505929170).

Almost surely, 2^{20116761641562} is an apocalyptic number.

20116761641562 is an abundant number, since it is smaller than the sum of its proper divisors (20179333225158).

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

20116761641562 is a wasteful number, since it uses less digits than its factorization.

20116761641562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214298637.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 20116761641562 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred forty-one thousand, five hundred sixty-two".