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20541420002 = 231133024791
BaseRepresentation
bin10011001000010111…
…010011000111100010
31222000120022020212102
4103020113103013202
5314032100420002
613234145530402
71325015121605
oct231027230742
958016266772
1020541420002
118791106974
123b93343a02
131c249029bc
14dcc18033c
15803566a02
hex4c85d31e2

20541420002 has 8 divisors (see below), whose sum is σ = 30911205312. Its totient is φ = 10237684900.

The previous prime is 20541419989. The next prime is 20541420061. The reversal of 20541420002 is 20002414502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16511774 + ... + 16513017.

It is an arithmetic number, because the mean of its divisors is an integer number (3863900664).

Almost surely, 220541420002 is an apocalyptic number.

20541420002 is a deficient number, since it is larger than the sum of its proper divisors (10369785310).

20541420002 is a wasteful number, since it uses less digits than its factorization.

20541420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025104.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20541420002 its reverse (20002414502), we get a palindrome (40543834504).

The spelling of 20541420002 in words is "twenty billion, five hundred forty-one million, four hundred twenty thousand, two".

Divisors: 1 2 311 622 33024791 66049582 10270710001 20541420002