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20311420410 = 2335312426693
BaseRepresentation
bin10010111010101001…
…111010110111111010
31221102112112001202000
4102322221322313322
5313044210423120
613155252121430
71316223140061
oct227251726772
957375461660
1020311420410
1186832a3866
123b2a306276
131bb9073978
14da97cd1d8
157dd283990
hex4baa7adfa

20311420410 has 64 divisors (see below), whose sum is σ = 55911029760. Its totient is φ = 5241654720.

The previous prime is 20311420399. The next prime is 20311420477. The reversal of 20311420410 is 1402411302.

20311420410 is a `hidden beast` number, since 203 + 1 + 1 + 420 + 41 + 0 = 666.

20311420410 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204977 + ... + 1221716.

It is an arithmetic number, because the mean of its divisors is an integer number (873609840).

Almost surely, 220311420410 is an apocalyptic number.

20311420410 is an abundant number, since it is smaller than the sum of its proper divisors (35599609350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20311420410 is a wasteful number, since it uses less digits than its factorization.

20311420410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426740 (or 2426734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20311420410 its reverse (1402411302), we get a palindrome (21713831712).

The spelling of 20311420410 in words is "twenty billion, three hundred eleven million, four hundred twenty thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 90 93 135 155 186 270 279 310 465 558 837 930 1395 1674 2790 4185 8370 2426693 4853386 7280079 12133465 14560158 21840237 24266930 36400395 43680474 65520711 72800790 75227483 109201185 131041422 150454966 218402370 225682449 327603555 376137415 451364898 655207110 677047347 752274830 1128412245 1354094694 2031142041 2256824490 3385236735 4062284082 6770473470 10155710205 20311420410