20202200030123 has 4 divisors (see below), whose sum is σ = 20335989434448. Its totient is φ = 20068410625800.

The previous prime is 20202200030107. The next prime is 20202200030147. The reversal of 20202200030123 is 32103000220202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202200030123 - 2⁴ = 20202200030107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202200030153) 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, 66894701936 + ... + 66894702237.

It is an arithmetic number, because the mean of its divisors is an integer number (5083997358612).

Almost surely, 2^{20202200030123} is an apocalyptic number.

20202200030123 is a deficient number, since it is larger than the sum of its proper divisors (133789404325).

20202200030123 is a wasteful number, since it uses less digits than its factorization.

20202200030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133789404324.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20202200030123 its reverse (32103000220202), we get a palindrome (52305200250325).

The spelling of 20202200030123 in words is "twenty trillion, two hundred two billion, two hundred million, thirty thousand, one hundred twenty-three".