20774115856302 has 16 divisors (see below), whose sum is σ = 41584329234432. Its totient is φ = 6918689031800.

The previous prime is 20774115856283. The next prime is 20774115856303. The reversal of 20774115856302 is 20365851147702.

It is a super-2 number, since 2×20774115856302² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20774115856303) 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, 1504055928 + ... + 1504069739.

It is an arithmetic number, because the mean of its divisors is an integer number (2599020577152).

Almost surely, 2^{20774115856302} is an apocalyptic number.

20774115856302 is an abundant number, since it is smaller than the sum of its proper divisors (20810213378130).

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

20774115856302 is a wasteful number, since it uses less digits than its factorization.

20774115856302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008126823.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 20774115856302 in words is "twenty trillion, seven hundred seventy-four billion, one hundred fifteen million, eight hundred fifty-six thousand, three hundred two".