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20422255060 = 2258911473177
BaseRepresentation
bin10011000001010000…
…101110000111010100
31221201021002001022001
4103001100232013110
5313311044130220
613214251445044
71322040206134
oct230120560724
957637061261
1020422255060
11872a915549
123b5b456784
131c0600bbbc
14dba400ac4
157e7d7880a
hex4c142e1d4

20422255060 has 24 divisors (see below), whose sum is σ = 43368612840. Its totient is φ = 8077115904.

The previous prime is 20422255027. The next prime is 20422255099. The reversal of 20422255060 is 6055222402.

It can be written as a sum of positive squares in 4 ways, for example, as 1502802756 + 18919452304 = 38766^2 + 137548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5734809 + ... + 5738368.

It is an arithmetic number, because the mean of its divisors is an integer number (1807025535).

Almost surely, 220422255060 is an apocalyptic number.

20422255060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422255060 is an abundant number, since it is smaller than the sum of its proper divisors (22946357780).

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

20422255060 is a wasteful number, since it uses less digits than its factorization.

20422255060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473275 (or 11473273 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20422255060 its reverse (6055222402), we get a palindrome (26477477462).

The spelling of 20422255060 in words is "twenty billion, four hundred twenty-two million, two hundred fifty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 11473177 22946354 45892708 57365885 114731770 229463540 1021112753 2042225506 4084451012 5105563765 10211127530 20422255060