20200122212003 has 4 divisors (see below), whose sum is σ = 21388364695080. Its totient is φ = 19011879728928.

The previous prime is 20200122211963. The next prime is 20200122212009. The reversal of 20200122212003 is 30021222100202.

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 20200122212003 - 2¹⁴ = 20200122195619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1188242483059 = 20200122212003 / (2 + 0 + 2 + 0 + 0 + 1 + 2 + 2 + 2 + 1 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200122212009) 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, 594121241513 + ... + 594121241546.

It is an arithmetic number, because the mean of its divisors is an integer number (5347091173770).

Almost surely, 2^{20200122212003} is an apocalyptic number.

20200122212003 is a deficient number, since it is larger than the sum of its proper divisors (1188242483077).

20200122212003 is a wasteful number, since it uses less digits than its factorization.

20200122212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188242483076.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20200122212003 its reverse (30021222100202), we get a palindrome (50221344312205).

The spelling of 20200122212003 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, two hundred twelve thousand, three".