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210210211000020 = 2235711432903364499
BaseRepresentation
bin101111110010111101100000…
…111101000110111011010100
31000120021220022000221112122010
4233302331200331012323110
5210023041003004000040
62023025123205504220
762164120664001360
oct5762754075067324
91016256260845563
10210210211000020
1160a85716a38a60
121b6b0192412070
13903a97905caca
1439ca32b0002a0
1519480b3ae2e80
hexbf2f60f46ed4

210210211000020 has 384 divisors, whose sum is σ = 751151149056000. Its totient is φ = 42649415262720.

The previous prime is 210210211000003. The next prime is 210210211000033. The reversal of 210210211000020 is 20000112012012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 576527731 + ... + 576892229.

It is an arithmetic number, because the mean of its divisors is an integer number (1956122784000).

Almost surely, 2210210211000020 is an apocalyptic number.

210210211000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210210211000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375575574528000).

210210211000020 is an abundant number, since it is smaller than the sum of its proper divisors (540940938055980).

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

210210211000020 is a wasteful number, since it uses less digits than its factorization.

210210211000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367475 (or 367473 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210210211000020 its reverse (20000112012012), we get a palindrome (230210323012032).

The spelling of 210210211000020 in words is "two hundred ten trillion, two hundred ten billion, two hundred eleven million, twenty", and thus it is an aban number.