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30520362402020 = 22531485331014287
BaseRepresentation
bin1101111000010000100110…
…10111000000000011100100
311000001201101112100200002102
412330020103113000003210
513000021200233331040
6144524505543231232
76300011014002251
oct674102327000344
9130051345320072
1030520362402020
1197a7681a03577
12350b073748518
13140509a070aca
1477729ca70428
1537dd883b1515
hex1bc2135c00e4

30520362402020 has 48 divisors (see below), whose sum is σ = 66161697896448. Its totient is φ = 11814078756480.

The previous prime is 30520362402007. The next prime is 30520362402071. The reversal of 30520362402020 is 2020426302503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29583317 + ... + 30597603.

It is an arithmetic number, because the mean of its divisors is an integer number (1378368706176).

Almost surely, 230520362402020 is an apocalyptic number.

It is an amenable number.

30520362402020 is an abundant number, since it is smaller than the sum of its proper divisors (35641335494428).

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

30520362402020 is a wasteful number, since it uses less digits than its factorization.

30520362402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062860 (or 1062858 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30520362402020 its reverse (2020426302503), we get a palindrome (32540788704523).

The spelling of 30520362402020 in words is "thirty trillion, five hundred twenty billion, three hundred sixty-two million, four hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 48533 97066 194132 242665 485330 970660 1014287 1504523 2028574 3009046 4057148 5071435 6018092 7522615 10142870 15045230 20285740 30090460 31442897 62885794 125771588 157214485 314428970 628857940 49226390971 98452781942 196905563884 246131954855 492263909710 984527819420 1526018120101 3052036240202 6104072480404 7630090600505 15260181201010 30520362402020