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10211010200020 = 225772935787143
BaseRepresentation
bin1001010010010110111110…
…1000101100000111010100
31100011011101212011001100201
42110211233220230013110
52314244122102400040
633414512345550244
72102502231425650
oct224455750540724
940134355131321
1010211010200020
11328751306a483
12118ab667a5384
13590b81533946
142743035b7a60
1512a929cbda9a
hex9496fa2c1d4

10211010200020 has 24 divisors (see below), whose sum is σ = 24506424480384. Its totient is φ = 3500917782816.

The previous prime is 10211010200003. The next prime is 10211010200023. The reversal of 10211010200020 is 2000201011201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211010200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36467893432 + ... + 36467893711.

It is an arithmetic number, because the mean of its divisors is an integer number (1021101020016).

Almost surely, 210211010200020 is an apocalyptic number.

10211010200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211010200020 is an abundant number, since it is smaller than the sum of its proper divisors (14295414280364).

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

10211010200020 is a wasteful number, since it uses less digits than its factorization.

10211010200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72935787159 (or 72935787157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10211010200020 its reverse (2000201011201), we get a palindrome (12211211211221).

The spelling of 10211010200020 in words is "ten trillion, two hundred eleven billion, ten million, two hundred thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 72935787143 145871574286 291743148572 364678935715 510550510001 729357871430 1021101020002 1458715742860 2042202040004 2552752550005 5105505100010 10211010200020