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20042520001 = 724731157791
BaseRepresentation
bin10010101010101000…
…001001010111000001
31220201210112111201121
4102222220021113001
5312021341120001
613112444432241
71306446415630
oct225250112701
956653474647
1020042520001
118555530a19
123a74248681
131b754444ba
14d81bd3517
157c48696a1
hex4aaa095c1

20042520001 has 8 divisors (see below), whose sum is σ = 22915019264. Its totient is φ = 17172341280.

The previous prime is 20042519969. The next prime is 20042520013. The reversal of 20042520001 is 10002524002.

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 20042520001 - 25 = 20042519969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042520301) 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, 561585 + ... + 596206.

It is an arithmetic number, because the mean of its divisors is an integer number (2864377408).

Almost surely, 220042520001 is an apocalyptic number.

It is an amenable number.

20042520001 is a deficient number, since it is larger than the sum of its proper divisors (2872499263).

20042520001 is a wasteful number, since it uses less digits than its factorization.

20042520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160271.

The product of its (nonzero) digits is 160, while the sum is 16.

The spelling of 20042520001 in words is "twenty billion, forty-two million, five hundred twenty thousand, one".

Divisors: 1 7 2473 17311 1157791 8104537 2863217143 20042520001