20020030221001 has 8 divisors (see below), whose sum is σ = 20033106955400. Its totient is φ = 20006954166528.

The previous prime is 20020030220987. The next prime is 20020030221031. The reversal of 20020030221001 is 10012203002002.

It can be written as a sum of positive squares in 4 ways, for example, as 12544311822025 + 7475718398976 = 3541795^2 + 2734176^2 .

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 20020030221001 - 2⁵ = 20020030220969 is a prime.

It is a super-2 number, since 2×20020030221001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020030221031) 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, 67483345 + ... + 67779361.

It is an arithmetic number, because the mean of its divisors is an integer number (2504138369425).

Almost surely, 2^{20020030221001} is an apocalyptic number.

It is an amenable number.

20020030221001 is a deficient number, since it is larger than the sum of its proper divisors (13076734399).

20020030221001 is a wasteful number, since it uses less digits than its factorization.

20020030221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339963.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20020030221001 its reverse (10012203002002), we get a palindrome (30032233223003).

The spelling of 20020030221001 in words is "twenty trillion, twenty billion, thirty million, two hundred twenty-one thousand, one".