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20213101002 = 2379107398539
BaseRepresentation
bin10010110100110010…
…110111000111001010
31221011200111220212110
4102310302313013022
5312344023213002
613141420523150
71313620344423
oct226462670712
957150456773
1020213101002
11863284aa56
123b013b04b6
131ba189b0c3
14d9a71864a
157d4811e6c
hex4b4cb71ca

20213101002 has 32 divisors (see below), whose sum is σ = 41320627200. Its totient is φ = 6590224368.

The previous prime is 20213100991. The next prime is 20213101003. The reversal of 20213101002 is 20010131202.

It is not an unprimeable number, because it can be changed into a prime (20213101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148552 + ... + 249987.

It is an arithmetic number, because the mean of its divisors is an integer number (1291269600).

Almost surely, 220213101002 is an apocalyptic number.

20213101002 is an abundant number, since it is smaller than the sum of its proper divisors (21107526198).

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

20213101002 is a wasteful number, since it uses less digits than its factorization.

20213101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398730.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20213101002 its reverse (20010131202), we get a palindrome (40223232204).

The spelling of 20213101002 in words is "twenty billion, two hundred thirteen million, one hundred one thousand, two".

Divisors: 1 2 3 6 79 107 158 214 237 321 474 642 8453 16906 25359 50718 398539 797078 1195617 2391234 31484581 42643673 62969162 85287346 94453743 127931019 188907486 255862038 3368850167 6737700334 10106550501 20213101002