20146356203 has 8 divisors (see below), whose sum is σ = 21215659920. Its totient is φ = 19077949440.

The previous prime is 20146356179. The next prime is 20146356253. The reversal of 20146356203 is 30265364102.

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 20146356203 - 2²² = 20142161899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20146356203.

It is not an unprimeable number, because it can be changed into a prime (20146356253) 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, 177878 + ... + 268203.

It is an arithmetic number, because the mean of its divisors is an integer number (2651957490).

Almost surely, 2^20146356203 is an apocalyptic number.

20146356203 is a deficient number, since it is larger than the sum of its proper divisors (1069303717).

20146356203 is a wasteful number, since it uses less digits than its factorization.

20146356203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448477.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 20146356203 in words is "twenty billion, one hundred forty-six million, three hundred fifty-six thousand, two hundred three".