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20102020102 = 2192321019901
BaseRepresentation
bin10010101110001011…
…000111110000000110
31220212221111102112001
4102232023013300012
5312132104120402
613122412015514
71311101231413
oct225613076006
956787442461
1020102020102
11858608025a
123a9016159a
131b84877a68
14d89a8110a
157c9bbe187
hex4ae2c7c06

20102020102 has 48 divisors (see below), whose sum is σ = 33511932720. Its totient is φ = 9016920000.

The previous prime is 20102020097. The next prime is 20102020139.

20102020102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2025352 + ... + 2035252.

It is an arithmetic number, because the mean of its divisors is an integer number (698165265).

Almost surely, 220102020102 is an apocalyptic number.

20102020102 is a deficient number, since it is larger than the sum of its proper divisors (13409912618).

20102020102 is a wasteful number, since it uses less digits than its factorization.

20102020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069 (or 10046 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

It can be divided in two parts, 201020 and 20102, that added together give a palindrome (221122).

The spelling of 20102020102 in words is "twenty billion, one hundred two million, twenty thousand, one hundred two".

Divisors: 1 2 19 23 38 46 101 202 437 529 874 1058 1919 2323 3838 4646 9901 10051 19802 20102 44137 53429 88274 106858 188119 227723 376238 455446 1000001 1015151 2000002 2030302 4326737 5237629 8653474 10475258 19000019 23000023 38000038 46000046 99514951 199029902 437000437 529000529 874000874 1058001058 10051010051 20102020102