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20401202242001 = 73253895929131
BaseRepresentation
bin1001010001110000001100…
…11010011010000111010001
32200020100001212021002122002
410220320012122122013101
510133223130233221001
6111220103302323345
74203636544556420
oct450700632320721
980210055232562
1020401202242001
116556112897669
122355a81429555
13b4ca95a1cb79
145075cdd752b7
15255a370ae46b
hex128e0669a1d1

20401202242001 has 8 divisors (see below), whose sum is σ = 23322827164224. Its totient is φ = 17481369184560.

The previous prime is 20401202241997. The next prime is 20401202242039. The reversal of 20401202242001 is 10024220210402.

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 20401202242001 - 22 = 20401202241997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20401202242051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447941795 + ... + 447987336.

It is an arithmetic number, because the mean of its divisors is an integer number (2915353395528).

Almost surely, 220401202242001 is an apocalyptic number.

It is an amenable number.

20401202242001 is a deficient number, since it is larger than the sum of its proper divisors (2921624922223).

20401202242001 is an equidigital number, since it uses as much as digits as its factorization.

20401202242001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895932391.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20401202242001 its reverse (10024220210402), we get a palindrome (30425422452403).

The spelling of 20401202242001 in words is "twenty trillion, four hundred one billion, two hundred two million, two hundred forty-two thousand, one".

Divisors: 1 7 3253 22771 895929131 6271503917 2914457463143 20401202242001