20700209223623 has 8 divisors (see below), whose sum is σ = 21396872624640. Its totient is φ = 20005352992440.

The previous prime is 20700209223613. The next prime is 20700209223679. The reversal of 20700209223623 is 32632290200702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20700209223623 - 2¹⁶ = 20700209158087 is a prime.

It is a super-4 number, since 4×20700209223623⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20700209223613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451769165 + ... + 451814982.

It is an arithmetic number, because the mean of its divisors is an integer number (2674609078080).

Almost surely, 2^{20700209223623} is an apocalyptic number.

20700209223623 is a deficient number, since it is larger than the sum of its proper divisors (696663401017).

20700209223623 is an equidigital number, since it uses as much as digits as its factorization.

20700209223623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903584917.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 20700209223623 in words is "twenty trillion, seven hundred billion, two hundred nine million, two hundred twenty-three thousand, six hundred twenty-three".