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20422460401 = 719315116551
BaseRepresentation
bin10011000001010001…
…100000001111110001
31221201021110110222021
4103001101200033301
5313311122213101
613214300111441
71322042022610
oct230121401761
957637413867
1020422460401
11872aa45852
123b5b535581
131c060814c5
14dba455877
157e7db95a1
hex4c14603f1

20422460401 has 8 divisors (see below), whose sum is σ = 23460888704. Its totient is φ = 17414265600.

The previous prime is 20422460381. The next prime is 20422460407. The reversal of 20422460401 is 10406422402.

It is a happy number.

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 20422460401 - 27 = 20422460273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422460407) 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, 7556925 + ... + 7559626.

It is an arithmetic number, because the mean of its divisors is an integer number (2932611088).

Almost surely, 220422460401 is an apocalyptic number.

It is an amenable number.

20422460401 is a deficient number, since it is larger than the sum of its proper divisors (3038428303).

20422460401 is a wasteful number, since it uses less digits than its factorization.

20422460401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116751.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20422460401 its reverse (10406422402), we get a palindrome (30828882803).

The spelling of 20422460401 in words is "twenty billion, four hundred twenty-two million, four hundred sixty thousand, four hundred one".

Divisors: 1 7 193 1351 15116551 105815857 2917494343 20422460401