20315433535316 has 72 divisors (see below), whose sum is σ = 37640360136960. Its totient is φ = 9592690694400.

The previous prime is 20315433535279. The next prime is 20315433535381. The reversal of 20315433535316 is 61353533451302.

It is a super-3 number, since 3×20315433535316³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823441661 + ... + 823466331.

It is an arithmetic number, because the mean of its divisors is an integer number (522782779680).

Almost surely, 2^{20315433535316} is an apocalyptic number.

It is an amenable number.

20315433535316 is a deficient number, since it is larger than the sum of its proper divisors (17324926601644).

20315433535316 is a wasteful number, since it uses less digits than its factorization.

20315433535316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26493 (or 26472 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 44.

Adding to 20315433535316 its reverse (61353533451302), we get a palindrome (81668966986618).

The spelling of 20315433535316 in words is "twenty trillion, three hundred fifteen billion, four hundred thirty-three million, five hundred thirty-five thousand, three hundred sixteen".