20358693213 has 16 divisors (see below), whose sum is σ = 29442704256. Its totient is φ = 12462517760.

The previous prime is 20358693197. The next prime is 20358693239. The reversal of 20358693213 is 31239685302.

It is not a de Polignac number, because 20358693213 - 2⁴ = 20358693197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20358693283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866081 + ... + 4870262.

It is an arithmetic number, because the mean of its divisors is an integer number (1840169016).

Almost surely, 2^20358693213 is an apocalyptic number.

It is an amenable number.

20358693213 is a deficient number, since it is larger than the sum of its proper divisors (9084011043).

20358693213 is a wasteful number, since it uses less digits than its factorization.

20358693213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736404.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 20358693213 in words is "twenty billion, three hundred fifty-eight million, six hundred ninety-three thousand, two hundred thirteen".