20352373207 has 4 divisors (see below), whose sum is σ = 20353067656. Its totient is φ = 20351678760.

The previous prime is 20352373187. The next prime is 20352373213. The reversal of 20352373207 is 70237325302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70237325302 = 2 ⋅35118662651.

It is a cyclic number.

It is not a de Polignac number, because 20352373207 - 2⁷ = 20352373079 is a prime.

It is a super-2 number, since 2×20352373207² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352373007) 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, 301233 + ... + 362554.

It is an arithmetic number, because the mean of its divisors is an integer number (5088266914).

Almost surely, 2^20352373207 is an apocalyptic number.

20352373207 is a deficient number, since it is larger than the sum of its proper divisors (694449).

20352373207 is an equidigital number, since it uses as much as digits as its factorization.

20352373207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694448.

The product of its (nonzero) digits is 52920, while the sum is 34.

Adding to 20352373207 its reverse (70237325302), we get a palindrome (90589698509).

The spelling of 20352373207 in words is "twenty billion, three hundred fifty-two million, three hundred seventy-three thousand, two hundred seven".