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20205472610 = 2513271522643
BaseRepresentation
bin10010110100010101…
…110000101101100010
31221011011011100200102
4102310111300231202
5312340100110420
613140545222402
71313465453261
oct226425605542
957134140612
1020205472610
11862950a6a4
123aba931a02
131ba0129b6b
14d996d05d8
157d3d06a75
hex4b4570b62

20205472610 has 16 divisors (see below), whose sum is σ = 36397282176. Its totient is φ = 8076093168.

The previous prime is 20205472603. The next prime is 20205472663. The reversal of 20205472610 is 1627450202.

It is a happy number.

It is a super-2 number, since 2×202054726102 (a number of 21 digits) contains 22 as substring.

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, 748052 + ... + 774591.

It is an arithmetic number, because the mean of its divisors is an integer number (2274830136).

Almost surely, 220205472610 is an apocalyptic number.

20205472610 is a deficient number, since it is larger than the sum of its proper divisors (16191809566).

20205472610 is a wasteful number, since it uses less digits than its factorization.

20205472610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523977.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 20205472610 in words is "twenty billion, two hundred five million, four hundred seventy-two thousand, six hundred ten".

Divisors: 1 2 5 10 1327 2654 6635 13270 1522643 3045286 7613215 15226430 2020547261 4041094522 10102736305 20205472610