20207370243 has 32 divisors (see below), whose sum is σ = 28234137600. Its totient is φ = 12839800320.

The previous prime is 20207370233. The next prime is 20207370277. The reversal of 20207370243 is 34207370202.

It is not a de Polignac number, because 20207370243 - 2⁶ = 20207370179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20207370243.

It is not an unprimeable number, because it can be changed into a prime (20207370203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5857183 + ... + 5860631.

It is an arithmetic number, because the mean of its divisors is an integer number (882316800).

Almost surely, 2^20207370243 is an apocalyptic number.

20207370243 is a deficient number, since it is larger than the sum of its proper divisors (8026767357).

20207370243 is a wasteful number, since it uses less digits than its factorization.

20207370243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419.

The product of its (nonzero) digits is 14112, while the sum is 30.

The spelling of 20207370243 in words is "twenty billion, two hundred seven million, three hundred seventy thousand, two hundred forty-three".