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20333425001 = 136131493677
BaseRepresentation
bin10010111011111101…
…110111000101101001
31221111001221000100212
4102323331313011221
5313120324100001
613201355510505
71316611155311
oct227375670551
957431830325
1020333425001
11869476317a
123b35758435
131bc07a9636
14dac6ba441
157e017d7bb
hex4bbf77169

20333425001 has 4 divisors (see below), whose sum is σ = 20334932292. Its totient is φ = 20331917712.

The previous prime is 20333424941. The next prime is 20333425009. The reversal of 20333425001 is 10052433302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7956640000 + 12376785001 = 89200^2 + 111251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20333425001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333425009) 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, 733226 + ... + 760451.

It is an arithmetic number, because the mean of its divisors is an integer number (5083733073).

Almost surely, 220333425001 is an apocalyptic number.

It is an amenable number.

20333425001 is a deficient number, since it is larger than the sum of its proper divisors (1507291).

20333425001 is a wasteful number, since it uses less digits than its factorization.

20333425001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507290.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20333425001 its reverse (10052433302), we get a palindrome (30385858303).

The spelling of 20333425001 in words is "twenty billion, three hundred thirty-three million, four hundred twenty-five thousand, one".

Divisors: 1 13613 1493677 20333425001