20101597343 has 4 divisors (see below), whose sum is σ = 20165009640. Its totient is φ = 20038185048.

The previous prime is 20101597309. The next prime is 20101597349. The reversal of 20101597343 is 34379510102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20101597343 - 2¹² = 20101593247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101597349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31705673 + ... + 31706306.

It is an arithmetic number, because the mean of its divisors is an integer number (5041252410).

Almost surely, 2^20101597343 is an apocalyptic number.

20101597343 is a deficient number, since it is larger than the sum of its proper divisors (63412297).

20101597343 is an equidigital number, since it uses as much as digits as its factorization.

20101597343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63412296.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 20101597343 in words is "twenty billion, one hundred one million, five hundred ninety-seven thousand, three hundred forty-three".