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2020020211001 = 131371134205621
BaseRepresentation
bin11101011001010010100…
…101100100110100111001
321011010000200101221111102
4131121102211210310321
5231044000133223001
64143552351341145
7265640661330122
oct35312245446471
97133020357442
102020020211001
1170975a824711
122875b08217b5
13118644197480
146daab717049
153782a8dbe6b
hex1d652964d39

2020020211001 has 8 divisors (see below), whose sum is σ = 2191285261704. Its totient is φ = 1851023571840.

The previous prime is 2020020210983. The next prime is 2020020211003. The reversal of 2020020211001 is 1001120200202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 468129640000 + 1551890571001 = 684200^2 + 1245749^2 .

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 2020020211001 - 26 = 2020020210937 is a prime.

It is a super-3 number, since 3×20200202110013 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020020211003) 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, 567101030 + ... + 567104591.

It is an arithmetic number, because the mean of its divisors is an integer number (273910657713).

Almost surely, 22020020211001 is an apocalyptic number.

It is an amenable number.

2020020211001 is a deficient number, since it is larger than the sum of its proper divisors (171265050703).

2020020211001 is a wasteful number, since it uses less digits than its factorization.

2020020211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134205771.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020020211001 its reverse (1001120200202), we get a palindrome (3021140411203).

The spelling of 2020020211001 in words is "two trillion, twenty billion, twenty million, two hundred eleven thousand, one".

Divisors: 1 13 137 1781 1134205621 14744673073 155386170077 2020020211001