20022200401 has 4 divisors (see below), whose sum is σ = 22882514752. Its totient is φ = 17161886052.

The previous prime is 20022200377. The next prime is 20022200417. The reversal of 20022200401 is 10400222002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10400222002 = 2 ⋅5200111001.

It is a cyclic number.

It is not a de Polignac number, because 20022200401 - 2⁵ = 20022200369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022200431) 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, 1430157165 + ... + 1430157178.

It is an arithmetic number, because the mean of its divisors is an integer number (5720628688).

Almost surely, 2^20022200401 is an apocalyptic number.

It is an amenable number.

20022200401 is a deficient number, since it is larger than the sum of its proper divisors (2860314351).

20022200401 is an equidigital number, since it uses as much as digits as its factorization.

20022200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860314350.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022200401 its reverse (10400222002), we get a palindrome (30422422403).

The spelling of 20022200401 in words is "twenty billion, twenty-two million, two hundred thousand, four hundred one".