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11027432020 = 2251150124691
BaseRepresentation
bin10100100010100100…
…10100001001010100
31001110112001120220011
422101102110021110
5140041010311040
65022124050004
7540161424403
oct122122241124
931415046804
1011027432020
114749774990
122179093904
131069810807
147687b163a
154481ac3ea
hex291494254

11027432020 has 24 divisors (see below), whose sum is σ = 25262844768. Its totient is φ = 4009975200.

The previous prime is 11027431981. The next prime is 11027432023. The reversal of 11027432020 is 2023472011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11027431982 and 11027432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11027432023) 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, 25062126 + ... + 25062565.

It is an arithmetic number, because the mean of its divisors is an integer number (1052618532).

Almost surely, 211027432020 is an apocalyptic number.

11027432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11027432020 is an abundant number, since it is smaller than the sum of its proper divisors (14235412748).

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

11027432020 is a wasteful number, since it uses less digits than its factorization.

11027432020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50124711 (or 50124709 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 11027432020 in words is "eleven billion, twenty-seven million, four hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50124691 100249382 200498764 250623455 501246910 551371601 1002493820 1102743202 2205486404 2756858005 5513716010 11027432020