20197235720514 has 64 divisors (see below), whose sum is σ = 42839503274880. Its totient is φ = 6326185313280.

The previous prime is 20197235720507. The next prime is 20197235720521. The reversal of 20197235720514 is 41502753279102.

It is an interprime number because it is at equal distance from previous prime (20197235720507) and next prime (20197235720521).

It is a super-3 number, since 3×20197235720514³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511186192 + ... + 511225700.

It is an arithmetic number, because the mean of its divisors is an integer number (669367238670).

Almost surely, 2^{20197235720514} is an apocalyptic number.

20197235720514 is an abundant number, since it is smaller than the sum of its proper divisors (22642267554366).

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

20197235720514 is a wasteful number, since it uses less digits than its factorization.

20197235720514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475.

The product of its (nonzero) digits is 1058400, while the sum is 48.

Adding to 20197235720514 its reverse (41502753279102), we get a palindrome (61699988999616).

The spelling of 20197235720514 in words is "twenty trillion, one hundred ninety-seven billion, two hundred thirty-five million, seven hundred twenty thousand, five hundred fourteen".