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11012032020 = 223511101233709
BaseRepresentation
bin10100100000101111…
…00100011000010100
31001102110002012001210
422100113210120110
5140023040011040
65020414021420
7536613504423
oct122027443024
931373065053
1011012032020
114741006710
122173aa7870
13106657b0a2
147667232ba
15446b69480
hex2905e4614

11012032020 has 192 divisors, whose sum is σ = 34163700480. Its totient is φ = 2628096000.

The previous prime is 11012031983. The next prime is 11012032051. The reversal of 11012032020 is 2023021011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11012031987 and 11012032005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15531426 + ... + 15532134.

It is an arithmetic number, because the mean of its divisors is an integer number (177935940).

Almost surely, 211012032020 is an apocalyptic number.

11012032020 is a gapful number since it is divisible by the number (10) 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 11012032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17081850240).

11012032020 is an abundant number, since it is smaller than the sum of its proper divisors (23151668460).

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

11012032020 is a wasteful number, since it uses less digits than its factorization.

11012032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

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

Adding to 11012032020 its reverse (2023021011), we get a palindrome (13035053031).

The spelling of 11012032020 in words is "eleven billion, twelve million, thirty-two thousand, twenty".